The powerfully funded super PAC backing Republican Jeb Bush will spend at least $10 million on television time in the earliest voting presidential primary states, the first salvo in a massive TV ad campaign to support the former Florida governor's bid for the Republican nomination. Officials with Right to Rise USA say they will buy time in Iowa, New Hampshire and South Carolina TV markets and on cable television in the three states. Ads are scheduled to begin in Iowa and New Hampshire on Sept. 15, in South Carolina a week later and then run continuously through the end of...