FAA orders emergency inspections after Southwest engine explosion, national student walkouts call for gun-law reform, and grandmother accused of killing husband and look-alike captured.

Video shows inside Southwest plane before emergency landing, no criminal charges filed in Prince overdose death, and FDA panel recommends marijuana product to treat epilepsy.

In Wednesday night's broadcast: NTSB investigation of Southwest Airlines deadly incident focuses on engine, Trump confirms CIA Director’s meeting with Kim Jong Un, and Barbara Bush remembered by family and former aides.

In Tuesday night's broadcast: Barbara Bush dies at age 82, one killed after Southwest jet engine exploded in flight, Starbucks will temporarily close 8,000 U.S. stores for racial-bias training, and Supreme Court debates internet sales tax case.

Chief Environmental Affairs Correspondent Anne Thompson travels to Dillingham, Alaska to report on a controversial copper mine proposal that some say could threaten the world’s largest salmon run.