Janet Caldwell, who teaches English in the Gorham school system, traveled to Cuba despite threats of legal action from a federal agency. Caldwell landed in Holguin, Cuba, with 12 other teachers and health care professionals at 3 a.m. Sunday. They plan to study Cuba's health and education systems. The group originally numbered 25, but 12 people withdrew when the U.S. Treasury Department's Office of Foreign Assets Control threatened legal action Thursday against the group and the travel agency that put the trip together. The agency, which enforces the United States' Cuban embargo, informed Common Ground Travel and Education Services of...