50-year freeze in diplomatic relations President Obama vowed to ease trade restrictions said Cuban President Raul Castro said Cuban President Raul Castro Historic thaw in U.S., Cuba standoff - CNN.com said Cuban President Raul Castro said Cuban President Raul Castro said Cuban President Raul Castro Cuba and the United States are easing diplomatic relations Cuba and the United States are renewing diplomatic relations the White House announced plans US and Cuba will resume diplomatic relations 50-year freeze in diplomatic relations Obama announced said Cuban President Raul Castro