MASON CITY — Calling the Obama presidency “an experiment that failed,” Texas Gov. Rick Perry pledged Saturday night to bring government spending under control and reduce the role of the federal government in people’s lives. “Are you better off today than you were $4 trillion ago?” he asked a crowd of about 100 at a town hall meeting at The Music Man Square. He said most of the problems the country faces stem from out-of-control government spending, too many taxes and too much regulation of business. Perry said American jobs are not going overseas because of cheap labor abroad, as...