The U.S., Japan and South Korea agreed to deepen mutual security ties at a Camp David summit. Trump reportedly will skip the first GOP debate. Fmr. Gov. Chris Christie (R-N.J.) says it’s “completely disrespectful” for GOP candidates who qualify for the first debate to not show up. Maui's top emergency management official resigned amid questions surrounding his office's response to the island’s devastating wildfires. The Cherokee Nation’s principal chief talks about his new term in office.