No Republican presidential candidate has been more flummoxed by the conversation over immigration than Scott Walker.
Perhaps it's not terribly surprising that Walker has struggled with the issue. As a Midwestern governor, it's not been at the forefront of his past campaigns for office. He's less practiced than, say, former Florida Gov. Jeb Bush or Florida Sen. Marco Rubio, on handling a range of questions on the topic.
But if he's tried to bone up, it hasn't been paying off. Walker's campaign this week had to clarify that the governor is not advocating building a wall along the 5,500-mile U.