SAN FRANCISCO (AP) - To help promote his "year of reform" ballot initiatives, Gov. Arnold Schwarzenegger has turned to one of the best known political reformers on the national stage - Arizona Sen. John McCain. The Republicans will campaign together Monday for the measures Schwarzenegger is promoting on the Nov. 8 ballot, Schwarzenegger campaign spokesman Todd Harris said. McCain has endorsed the four initiatives favored by the governor, which would curb the power of the Democrat-controlled Legislature and their allied public employee unions. "John McCain is known for two things - one is being a reformer, and the other is...