washington president barack obama visit cuba late month affect cancellation tentative plan secretary state john kerry visit island nation human right talk beforehand white house say friday top u.s. diplomat tell congressional hear feb. 23 might cuba dialogue human right president schedule trip march 21-22. officials say thursday kerry visit cancel amid concern cuba human right record white house say friday kerry decision would affect obama visit kerry would travel cuba president obama trip cuba affect cancellation tentative kerry visit white house