Is Sanders Too Soft on Defense for Mainstream Democrats?

The self-described Democratic socialist has startled the political world with his strong challenge to former Secretary of State Hillary Rodham Clinton, largely on the strength of his populist salvos against Wall Street and repeated demands for income equality for the middle class. It didn’t help that he was bracketed on the debate stage by Clinton, the hawkish former secretary of state, and former Sen. Jim Webb of Virginia, a decorated Marine and one-time Navy Secretary who repeatedly boas