The Pentagon chief has warned Afghanistan against what he termed as foot-dragging on the Bilateral Security Agreement with the US. Chuck Hagel says the Afghan president\'s deferring risks leaving Washington no time to plan its post-combat mission there. The US defense secretary admitted however that Hamid Karzai was the elected president of a sovereign nation, and Washington\'s ability to influence the decisions he makes, is limited. US-led forces are due to withdraw from Afghanistan by December 2014. But the security agreement under negotiation would allow for a contingent of American troops to remain on the ground. Washington wants its soldiers to enjoy immunity from Afghan law under the deal. However, Karzai has adamantly refused that condition, saying his successor should make the final decision after the presidential election on April 5. Show Less >>