Washington (AFP) – President Donald Trump’s outgoing administration on Monday returned Cuba to the US blacklist of state sponsors of terrorism, erecting a last-minute roadlock to expected efforts by President-elect Joe Biden to ease tensions. The terror designation severely hampers foreign investment and can only be removed after a formal review by the Biden administration, meaning it may remain in force for months. With nine days left in office, Secretary of State Mike Pompeo cited Cuba’s ties with Colombian rebels, alliance with leftist Venezuela and sanctuary to several US fugitives in jus…