Underperforming presidential candidate Sen. Elizabeth Warren (D., Mass.) has portrayed herself as a bipartisan dealmaker by taking credit for sponsoring bills she ultimately voted against. "I do work with the other side," Warren said in October during a radio interview in New Hampshire. "I've gotten more than a dozen bills passed into law, and they've been bipartisan. And that's just been since Donald Trump has been elected president." A post on the "Fact Squad" section of Warren's campaign website similarly boasts that "Donald Trump has signed more than a dozen of Elizabeth's proposals into law" and lists 15 pieces of legislation Warren sponsored. Three of...