Terrorists can also bestow favors  M K Bhadrakumar, Asia Times, Dec 7 2011  Again, sectarian tensions in Afghanistan could easily spread into Pakistan, which has a bloody history of sectarian violence. Pakistan already has its hands full with combating terrorism. National unity remains Pakistan’s ultimate trump card in warding off US pressures.Curiously, a person who claimed to speak for the Lashkar-e-Jhangvi, a Pakistani Sunni militant group, put a call through to the US government-funded Radio Free Europe and apparently took responsibility for the attack on the Shi’ites.