If only Vice President Joe Biden had stuck to plagiarism. But he apparently hasn’t learned. In 1987, he copied and used a large chunk of a speech given by British labor leader Neil Kinnock, even though some of the facts (related to family history) didn’t match his own. Since then, he’s gone from plagiarism to smashmouth rhetorician. Last week, Biden was called out by former Bush advisor Karl Rove because Biden repeatedly said he’d chastised President Bush in person. And Biden came out of the ensuing discussion with a lot of mud on his face. On April 6, 2009, Biden...