Cuba is free to trade with other nations, ... Tuesday. The United States economic embargo on Communist-run Cuba turned 50 on Tuesday. HAVANA ... And a first-class U.S. postage stamp cost 4 cents.

If all restrictions were lifted, flights to Cuba could drop 50% in price, study says. Javier Yanez stands on his balcony decorated with U.S. and Cuban flags in Old Havana on Dec. 19, 2014.