On the stage Sunday, the two Democrats vying for their party’s nomination spoke about a host of issues central to American life — except national security.

A discussion Thursday about the growth of ISIS inside Libya prompted a sharp remark from Ohio Gov. John Kasich, who said Hillary Clinton was to blame.

A boisterous back and forth between Trump and Jeb Bush got personal fast when the legacy of George W. Bush came up for review.

Clinton was pressed on whether the violence that followed the American removal of Saddam Hussein could be tied to the conditions that gave rise to ISIS.

Republican candidates delivered cautious answers on North Korea’s provocative rocket launch. Only Jeb Bush said he would approve a preemptive strike.

Foreign policy was front and center at the first one-on-one Dem debate.

Sen. Bernie Sanders and former Secretary of State Hillary Clinton faced off Thursday night over plans for further openings in the relationship with Iran.

Republican candidates offered full-throated vows on Thursday to stop ISIS.

Clinton and Sanders agreed on the question of whether they would support a significant number of U.S. ground troops to Syria.

None of the three Democratic candidates addressed foreign policy as they said what they would achieve during the first one hundred days in office.