KINGSTON/NEW YORK (Reuters) -The accession of King Charles to the British throne has stirred renewed calls from politicians and activists for former colonies in the Caribbean to remove the monarch as their head of state and for Britain to pay slavery reparations. Charles succeeds his mother, Queen Elizabeth, who ruled for 70 years and died on Thursday afternoon. The prime minister of Jamaica said his country would mourn Elizabeth, and his counterpart in Antigua and Barbuda ordered flags to half-staff until the day of her burial. But in some quarters there are doubts about the role a distant monarch should...