CONGRESS-IRAN'S REACH

WASHINGTON — Republicans hammering the Obama administration about nuclear talks with Iran have stepped up their criticism on a second front: accusing President Barack Obama of being so keen to strike a deal that he's ignored Iranian moves to expand its influence across the Middle East. 

ARGENTINA-DEFAULT

BUENOS AIRES, Argentina — Argentina's government threatens to revoke Citibank's operation license if it refuses to process payments to bondholders, a move ordered by a New York judge presiding over a long fight between the country and a U.S. investment group. 

BRAZIL-MARCHES

SAO PAULO — Unions and backers of President Dilma Rousseff march in several cities in Brazil, mostly to show support for state-run oil company Petrobras as it is engulfed by a corruption scandal, but also to bolster the leader. 

PRESIDENTIAL RACE-BUSH

HUDSON, New Hampshire — Former Florida Gov. Jeb Bush told skeptical voters in an influential early-voting primary state that he would not soften his views on immigration to win the backing of conservative voters in his likely presidential campaign. 

CUBA-US

HAVANA — Cuba and the United States will hold a surprise third round of talks about restoring full diplomatic relations and still hope to open embassies in Washington and Havana before a key regional summit in April, the U.S. State Department announces. 

HONDURAS-DRUG ARREST

TEGUCIGALPA, Honduras — Honduran authorities have captured a prominent businessman wanted in the United States on drug-trafficking charges. 

BRAZIL-ITALIAN FUGITIVE

SAO PAULO — A former Italian communist militant who has avoided serving time for four murders in his home country is freed from custody after his lawyer protests a move that could lead to his deportation.