Ottawa — Prime Minister Paul Martin decided yesterday not to go to Washington to attend the state funeral of former U.S. president Ronald Reagan, two days after his letter of condolence raised eyebrows about whether he is distancing himself from the United States during a hard-fought election campaign. "Let's say a lot of ambivalence came through," a U.S. official said yesterday of the statement issued on the weekend by the Prime Minister's Office. "It seemed to underscore things somewhat." The letter referred to Mr. Reagan as one of the most influential leaders of the past 50 years, and stated that...