Despite a bloody campaign marred by Taliban attacks, Pakistan was holding historic elections Saturday pitting a former cricket star against a two-time prime minister once exiled by the army and an incumbent blamed for power blackouts and inflation. Polls opened Saturday morning across the nation in what is a closely watched race to determine the fate of this nuclear-armed country crucial to stability in the region. The vote marks the first time in Pakistan's 65-year history that a civilian government has completed its full term and handed over power in democratic elections. Previous governments have been toppled by military coups or sacked by presidents allied with the powerful army. Deadly violence struck again Friday, with a pair of bombings against election offices in northwest Pakistan that killed three people and a shooting that killed a candidate in the southern city of Karachi. More than 130 people have been killed in the run-up to the vote, mostly secular pa