Is the U.S. deficit a national security issue?

What is the biggest threat to national security. When Admiral Michael Mullen was asked that very question back in 2010, his answer shocked the nation. I responded that the most significant threat was our national debt, which was a bit of a surprise.Admiral Mullen served as the chairman of the Joint Chiefs of Staff under presidents George W. Bush and Barack Obama. Since then, the national debt has nearly quadrupled.Well, experts have warned that when a government spends so much related to its debt load, it c ...