Cuban President Raul Castro says the US must end its trade embargo on the country.
This after US President Barack Obama announced the two countries would work to restore diplomatic relations.
Washington broke off ties in the 1960s afer Cuba's revolution led to communism.
And many US Republicans remain deeply sceptical about lifting the trade embargo.
American history professor James D. Boys says Republican success in mid-term elections in the US could provide a major stumbling block to improving relations.
IN: "They're gonna...
OUT: ...election."
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ALT:
American history professor James D. Boys believes President Obama is beginning to create a legacy for his time in office.
IN: "It's been...
OUT: ...perspective."
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