>> WE ARE COMING ON THE AIR WITH THE ESCALATING DEVASTATION AFTER THAT HUGE EARTHQUAKE IN COLOMBIA. MORE THAN 100 PEOPLE KILLED SO FAR. AND WHAT'S BECOME A NATIONAL EMERGENCY.THE DESPERATE SEARCH FOR SURVIVORS TRAPPED UNDER COLLAPSED BUILDINGS AS RESCUERS RACE AGAINST THE CLOCK. WE'RE LIVE ON THE GROUND. THEN THE MAJOR MOVES LATE TODAY, WITH THE TRUMP ADMINISTRATION OVERHAULING GUIDELINES FOR KIDS VACCINES.WE'VE GOT THE REALITY CHECK JUST AHEAD. PLUS, ONE OF MUSIC'S BIGGEST MYSTERIES. A COLD CASE FOR THREE ...