UNITED STATES CHINA NUCLEAR

WASHINGTON — China's record on nuclear proliferation is facing congressional criticism as the Obama administration seeks renewal of a 30-year agreement that enables American involvement in the Asian nation's fast-growing atomic energy industry. 

CUBA DEPORATIONS

MIAMI — With the United States and Cuba inching closer to fully restoring diplomatic ties, including re-opening embassies for the first time in 54 years, the future is murky for tens of thousands of Cuban immigrants who have been ordered by immigration authorities to leave the country. 

ARGENTINA-BUENOS AIRES-ELECTION

BUENOS AIRES, Argentina — Argentina's conservative opposition party is expected to win Sunday's mayoral run-off election in Buenos Aires, retaining its power in the capital ahead of presidential voting later this year. 

PRESIDENTIAL RACE-REPUBLICANS

AMES, Iowa — Donald Trump blusters his way into more trouble as he criticizes U.S. Sen. John McCain's war record at a conservative forum, overshadowing fellow presidential candidates promoting their credentials to evangelical Christians. 

CHATTANOOGA SHOOTING

CHATTANOOGA, Tennessee — A handful of governors order National Guardsmen to take up arms in response to the brazen attacks on two Tennessee military sites that left five dead.