U.S. Senate candidate Katherine Harris said Friday that Gov. Jeb Bush will campaign with her in the next two months, but the state GOP said no such commitment exists. Harris, appearing in downtown Orlando, said she will travel with Bush and others as she seeks to defeat incumbent Democratic Sen. Bill Nelson. Nelson, meanwhile, formally kicked off his campaign Friday in Tampa, saying he wanted to "take our nation in a new direction." Touring with Bush, the state's most powerful Republican, would bring Harris badly needed credibility and steady a campaign that, at times, appeared ready to collapse. But Friday,...