David Davis and Obama

Matt Yglesias writes:

the reality is that as long as Obama thinks he’s going to be wielding executive authority, he’s going to be useless as a check on out-of-control executive authority.

This is entirely, even obviously, correct. In a British context, this is why David Davis’s seemingly quixotic campaign is immensely valuable: his re-election and his determination to make liberty, justice and principle a major issue will, one hopes and trusts, make it rather harder for David Cameron to succumb to the worst temptations of office…