The Sky News presenter conducted an interview with an empty chair while the Tory Party chairman was speaking to talkRADIO.
Ms Berger left Labour to found the Independent Group for Change, before joining the Liberal Democrats in September.
Today is the first day of the five-week general election campaign period, after Parliament was dissolved in the early hours of this morning.
Jo Swinson has said stopping Brexit would generate a £50 billion "remain bonus" that her party would put into public services.
The cabinet minister slated the Labour leader's Brexit policy, joking that it was "as clear as an apology from Vicky Pollard".
Labour’s Angela Rayner has branded Boris Johnson, Nigel Farage and Donald Trump as “hard right nasty thugs” in a tweet over the weekend.
Brexit Party leader Nigel Farage has revealed the party's 600 candidates for the general election.
After John Bercow announced he would be leaving the role after a decade, a number of MPs have confirmed their interest in the position.
It is accompanied by a sign which blames opposition parties for the Brexit delay.
The Liberal Democrat MP said his party's "number one priority" was preventing Britain's exit from the EU, but insisted the party had numerous other policies.
Labour MP Sir Lindsay Hoyle has been elected as the new Speaker in the House of Commons after four rounds of voting.
He said he doesn't know who to vote for in the general election, which he predicts will be "one of the nastiest in living history".
Nigel Farage said his party would "contest every seat" at the next election unless the Prime Minister agreed to form a pact with his party.
Mr Vara - who is one of nine vying to become the next Speaker - said John Bercow had left the role under a "dark cloud".
Ex-Conservative MP Antoinette Sandbach has joined the Liberal Democrats ahead of the December 12 election.
Legislation triggering an early general election on December 12 has become law after receiving Royal Assent.
Calls for a peerage for John Bercow have been pouring in as the outgoing Speaker chairs his final parliamentary session today.
The Tory MP admitted he didn't read messages sent to him via social media to protect his "sanity".
The ex-Labour Mayor of London said the Prime Minister needed to be in Downing Street "sorting out the mess".
Liz Truss has called for a different way of thinking on identity and equality, saying no one wants to be the “token woman”.
Jeremy Corbyn criticised “the elite” as he launched Labour's election campaign in his first major speech ahead of the December 12 poll.
Boris Johnson and Jeremy Corbyn praised the outgoing Commons Speaker John Bercow, as he chaired his last-ever Prime Minister's Questions.
The 11-metre effigy will depict the Commons Speaker holding the heads of Boris Johnson and Jeremy Corbyn.
The Labour peer said the PM had "stripped" his party "of all allies" in the Commons, and would struggle to form a government if he won.
He warned Conservative MPs against acting complacent, despite the government emerging victorious from a battle over an early election date.
A general election is set to be held on December 12 after MPs rejected an amendment aimed at changing the date of the PM's election plan.
The Lib Dem MP said calls to ban over-70s from voting are "extreme and unreasonable", but argued that the voting age should be lowered to 16.
Chris Davies suggested that Brexiteers should not wear poppies, claiming the EU is essential for peace.
The former deputy PM said pulling the Withdrawal Agreement Bill after it secured a second reading was the "wrong decision".
The Labour MP says disgraced Labour member Keith Vaz should stand at the next election as he has made a “great contribution” to Parliament.
Boris Johnson is expected to once again ask MPs to support a December 12 election despite the measure being defeated on Monday night.
The Prime Minister has said he will put forward a "short Bill" to try again to get MPs to back having an election on December 12 after they rejected it this evening.
Nearly two million people have applied to register to vote in the past eight weeks, according to government figures.
Campaigner Alastair Campbell accused the group's chairman Roland Rudd of "sabotage", after he reportedly fired two senior staff members.
The EU has accepted the UK’s request for a Brexit “flextension” until January 31 2020, European Council president Donald Tusk has said.
The MEP said Boris Johnson’s Brexit plan could leave Britain locked in a “never-ending transition”.
Boris Johnson may be successful in his bid for an early election if the European Union grants a Brexit extension until January 31.
The Brexit Party MEP said her party could help the government win a "thumping great majority" in an election.
The shadow home secretary has come to blows with fellow Labour MP Kate Hoey after saying she no longer represents the party.
In an exclusive interview with talkRADIO, the former PM revealed he was not the "world's greatest supporter" of Jeremy Corbyn.
People's Vote campaigner Alastair Campbell has said Labour should not back Boris Johnson's "terrible idea" to hold a December 12 election.
EU ambassadors have reportedly agreed an extension is needed, and a diplomat said the length of the delay will be decided next week.
The ex-Tory leadership contender said he felt "free" since defecting to the Liberal Democrats.
Sajid Javid has backed Boris Johnson's call for a pre-Christmas general election, saying the government has been "left with no choice".
An EU decision is expected today outlining if, and crucially for how long, a Brexit delay may be granted, which could influence an election.
Boris Johnson has written a letter to Jeremy Corbyn urging the Labour leader to back his push for a general election.
The Prime Minister has said he will give MPs more time to debate his Brexit deal if they agree to a general election on December 12.
The Conservative Party is reportedly in disagreement over whether Boris Johnson should call a general election before Christmas.
The Liberal Democrat has defended Parliament and said the PM "should have known" MPs would refuse his bid to fast-track Brexit legislation.
News of the discovery of 39 dead bodies in a lorry in Thurrock, Essex, this morning has dominated Prime Minister's Questions.
The Conservative MP has said that the a "revised timetable" to debate the Brexit Bill could be achieved if the DUP is onside.