Is Joe Biden His Own Worst Enemy?

Former Vice President Joe Biden, the current Democratic presidential front runner, has had plenty of opportunities to prepare himself for the last campaign of his political life. He has already been involved in four presidential elections. Biden ran twice for president himself, in 1988 and 2008, and twice as the vice presidential nominee alongside President Barack Obama, in 2008 and 2012. Biden had months to ready himself to respond to questions about his past, and Donald Trump’s taunts su