Credit: Robert Gates was defense secretary and CIA director and has served eight presidents. He doesn’t see a lot of leadership qualities in the current crop of candidates.

Gates finds leadership lacking among 2016 candidates

Ex-lawyer: ‘D.C. Madam’ records could be relevant to presidential election

Iowa: 1 percent of voters, and white

2016 Iowa presidential caucus results

2016 Delegate Tracker

In final Iowa blitz, an outraged Clinton channels Sanders