That is, he used a Republican-enrolled official to make the Dem. ticket more palatable to voters, when the Rep. that joined him was, in reality, merely a feckless, Rockefeller Republican.
Had nothing to do with his Republican running mate. Socialist scumbag Schweitzer won the Governorship by preying on the fears of the gun rights crowd. (Typically many of them Republicans). Gun ownership, aside from property rights, and farming and ranching, is a HUGE issue in Montana.