He can jettison policies that were not working in the name of flexibility.
Some of Mr Cameron's advisers say that the coalition allows them to jettison policies favoured by their party's right-wing fringe.
Or is he a ruthless pragmatist, interested only in what works and willing to jettison any policy or idea that, however dear to his party, may cost it votes?There was further evidence this week that Mr Cameron will stop at nothing to change the image of his party.
Still, ever since plans for the separate entrance were revealed last August, city officials and community members have been demanding that Extell officials jettison the policy for a more inclusive one.
As tensions with India ratchet up, the hard-liners in Islamabad's army headquarters will have the justification they need to jettison a policy they dislike and move their forces away from the border with Afghanistan, where the U.S. wants them, so as to reinforce the border with India instead.
President Obama has spoken out forcefully for jettisoning the policy, and his party controls both houses of Congress.
That was widely seen as ministers jettisoning the policy, despite strong public backing among supporters of all three main parties.
This is not the current party line.Since becoming leader last December, David Cameron has systematically jettisoned any policy believed to be responsible for the Tories' election-losing streak.
Although Mr. Chretien campaigned in 1993 against free trade with the United States, he quietly jettisoned that policy, allowing bilateral trade to nearly double, to $1 billion a day.
Vice President Dick Cheney gave an interview in which he urged Mr. Obama not to jettison the policies he and Mr. Bush enacted to fight terrorism.
The outcry over the new financial penalties for anyone convicted of a crime presents Michael Gove with a crucial test of his willingness to jettison flawed policies inherited from Chris Grayling, his predecessor as Justice Secretary and Lord Chancellor.
