ఇరాన్‌తో యుద్ధంలో చైనా ఎందుకు పాల్గొనాలనుకుంటోంది?

U.S. officials tell CBS News that days after the war with Iran started, U.S. intelligence detected that China was weighing whether to supply Iran with advanced radar technology. CBS News national security contributor Sam Vinograd has more.