 SAY HE DIDN'T COMMIT. PALMER SAYS IT'S QUITE POSSIBLE GRISKOVICH COULD BECOME A BARGAINING CHIP IN DISCUSSIONS FOR A PRISONER SWAP. TALKS IN QATAR AND CAIRO AIMED AT BROKERING A CEASE-FIRE IN THE WAR IN GAZA HAVE MOVED SLOWLY, WITH STICKING POINTS REMAINING FOR THE RELEASE OF HOSTAGES AND WHAT WOULD HAPPEN DURING A PERMANENT CEASE-FIRE. STILL AT THE ASPEN SECURITY CONFERENCE, SECRETARY OF STATE ANTONY BLINKEN RESPONDS... I BELIEVE WE'RE INSIDE THE 10-YARD LINE. YOU'RE LISTENING TO THE CBS WORLD NEWS ROUNDUP.