Cameron on ropes after "catastrophic" week

LONDON (Reuters) - Prime Minister David Cameron is under pressure to reassert his authority over a Conservative Party reeling after a week which saw the resignation of a senior minister and claims of incompetence and elitism at the heart of his government. After one of the most bruising weeks for the centre-right party since it took power in a coalition in 2010, the Conservatives have slipped further behind their Labour rivals, polls showed on Sunday. The next election is due in 2015. ...