Defenestration has become the modus operandi in politics, instead of MPs working through the real issues of the day, says Guardian columnist Simon Jenkins

The civil servant says he was pressured by No 10 to get Mandelson’s vetting done; the PM says he wasn’t informed. Who emerges most damaged?

Defenestration has become the modus operandi in politics, instead of MPs working through the real issues of the day, says Guardian columnist Simon Jenkins