Democrats have been using their convention speeches this week to make Hillary Clinton look like a can-do politician. On Tuesday, Bill Clinton flatly declared, “She’s a natural leader, she’s a good organizer, and she’s the best darn change-maker I ever met in my entire life.” We heard speech after speech about how Hillary cares about the children, about her innovative ability to solve problems. But there is a reason the speeches lack specific examples. Hillary wasn’t much of a change-maker in the U.S. Senate. Sure, being president is different from being a senator, but both jobs require making deals. Both...