relations were strained after trump roca protocol to accept a congratulatory phone call from taiwan's leader following his victory, and publicly questioned the one china policy. now that the issue is officially resolved, china and the u.s. has indicated they can proceed with more normal relations. during hisccusations campaign, notably of currency manipulation, it is not clear how normal those relations will be. anchor: hundreds of thousands of iranians have raved subzero temperatures to mark the 38 anniversary of the country's revolution. demonstrated -- anti-u.s. and anti-israel slogans. the president told crowds that the administration is a problem, and those that threaten iran from overseas should learn to respect the country and its people. reporter: 38 years after the islamic revolution toppled the country, tensions between washington and tehran are threatening to boil over once again. hundreds of thousands of iranians took to the streets on friday to swear their allegiance to the countries clerical authorities. or calls of death to america. increasingly hawkish rhetoric since t