AP Photo

Spurs jangling and lances poised, the coalition partners are off, tilting at each other for the delectation of their party conferences. So far, it's only ornamental jousting, not war. So far. David Cameron charged first with his party-pleasing speech calling for another round of 17 new benefit cuts that the Lib Dems will not agree. In retaliation, here comes Nick Clegg charging down the lists with a wealth tax on the tip of his lance that the Tories will never agree.