Jon Holmes gets the biggest debates going on his show.
As American swimmers have vandalised a service station in Rio, he wonders if this could be the start of World War Three, as he fears people may be underestimating the 'gravity' of the situation.
But is gravity really essential? Jon thinks it's not important and doesn't actually believe it exists.
Whereas Rich thinks gravity's marvellous and that we'd be lost without it, especially as going to the toilet would become a minefield.
Listen to the full debate and decide who you agree with, then vote in our poll below