Gov. Rick Perry began his 42-city bus tour on a rather populist note Wednesday, saying a diagram of the country’s problems would be a straight line between Washington, D.C. and Wall Street. Perry has been struggling in the polls for months but hopes a tour of Iowa’s small towns in the three weeks leading up to the Iowa caucuses on Jan. 3 can lift him back to the front of the pack. “I hope some of you are taking a second look,” Perry said. Perry is trying to sell himself as the true Washington outsider in the Republican race, and...