Marco Rubio: Cuban heritage, American dream

As a child, Marco Rubio assured his exiled Cuban grandfather that he would overthrow Fidel Castro and lead Cuba. The Republican senator from Florida, who told donors Monday that he was all in, ending two years of speculation about whether he will pursue a 2016 campaign for the White House. Rubio was born in Miami in 1971, the son of poor Cuban refugees who had fled the island 15 years earlier to escape poverty. After Castro seized power in 1959, the family decided never to return to Cuba, a coun