As President Donald Trump launched air attacks on Iran Feb. 28, skeptics quickly argued that ousting a foreign country’s government — as the U.S. may be pursuing in Iran — takes more than airstrikes. Sen. Chris Murphy, D-Conn., said creating an improved political system is unlikely unless there are boots on the ground. “There is no history … that shows an air campaign alone will result in positive regime change,” Murphy said in a  March 1 interview  on CBS News’ “Face the Nation.” “In fact, there’s not a single example of it in the entirety of American history. An air campaign without at least the threat of a ground invasion, which the administration is ruling out, never results in a democratic rebirth in an authoritarian country.” Most of the seven military experts and historians we interviewed for this article agreed with Murphy.…