Two polls examining the Senate race in Arizona show Sen. Martha McSally (R-AZ) taking the lead from Democrat challenger Mark Kelly (D) — a significant shift, as Kelly has led the incumbent in a barrage of polls in recent months. A Susquehanna Polling and Research survey released Friday showed McSally overtaking Kelly in the Grand Canyon State, garnering 50 percent to Kelly’s 47 percent. That represents a six-point bounce for McSally, who trailed Kelly by four percent (44 percent to Kelly’s 48 percent) in a September 25 poll: ...