David Cameron's concern over loss of sovereignty has led opponents to accuse him of endangering public safety by questioning the European arrest warrants that fast-track extradition requestsThe Tories are to consider pulling out of the EU's fast-track extradition scheme, which helped bring failed London bomber Hussain Osman to justice, as part of their battle to resist further transfer of sovereignty to Brussels.Such a move would please the party's Eurosceptics, after David Cameron denied them a referendum on the Lisbon treaty last week, but alarm police chiefs and law enforcement agencies, who believe the European arrest warrant is vital to tackling domestic and cross-border crime.Chris Grayling, the shadow home secretary, said he had not made a final decision about whether a ...