Alaska Senate Race Becomes Most Expensive Campaign In State's History By MARIA L. LA GANGA With $39 million in outside spending to sway half a million voters, Alaska Senate race is priciest per capita Both candidates in Alaska Senate contest condemn outside money, but it keeps rolling in The local official introducing the candidate eventually got around to the point — Sen. Mark Begich, standing up for Alaskans, get out the vote — but first he lit into the Koch brothers and what he described as money's power to warp politics. "They're literally spending hundreds of millions of dollars to...