Conservative Party Self-Destructing?

Reported in the Daily Telegraph today is the attack on Ken Clarke by Iain Duncan Smith on the subject of tax breaks.

Do we have internecine war breaking out?

Pity the Conservative Party can't remember their past principles and have an internecine war on the question of this country's membership of the European Union. Maybe after June 4th, when they digest their performance (lack of) in the EU election, the 'possible' may well become 'probable'.