Tags: Marco Rubio

Republican Jeb Bush will visit three U.S. allies, Germany, Poland and Estonia, in early June to get a first-hand view of European economic and security challenges as he explores a run for his party's presidential nomination in 2016, a Bush aide said on Monday.

U.S. Senator Marco Rubio is likely to make an announcement on his bid for the 2016 Republican presidential nomination on April 13 in Miami, according to a local news report.

Cuba will not accept any interference from the United States, President Raul Castro said on Wednesday, warning that meddling in its internal affairs would make rapprochement between the two countries "meaningless."