Joe Biden needs a better than expected finish in the Iowa caucuses in order to survive in the presidential race. His pitch? Foreign policy matters at home. "Imagine the person you've picked to caucus for," the Delaware senator told roughly 150 people at a Newton community center on Monday. "Are they prepared at this moment to know what to do in Pakistan? Are they prepared -- at this moment -- to know what they would do in the war in Iraq? Not generally say I want to get the troops out, but how. And what’s going to be left behind."
