David Cameron
The prime minister was mocked for his underwhelming answer.
John Kay made the quip as he grilled new Tory chairman Richard Holden.
One MP revealed she had submitted a vote of no confidence in the prime minister.
Former prime minister's return to British politics prompts a bout of nostalgia for the ex-Eastenders star's evisceration.
The former prime minister magically becomes "Lord Dave" and takes a senior job in Rishi Sunak's cabinet.
"It's like taking off your underwear, turning it inside out, and putting it back on again."
The newly-appointed foreign secretary faced questions over his work for Australian financier Lex Greensill.
Analysis: Making the former prime minister the new foreign secretary shows Downing Street has lost the plot.
The former prime minister makes return to frontline politics and has been given a seat in the Lords.
The former prime minister said the decision to axe the Manchester leg of the line was "the wrong one".
About David Cameron
David Cameron took office in 2010 after forming a coalition government with Nick Clegg. He has since seen the popularity of his party fall as well as internal rebellions against the alliance with the Lib Dems.