NEW YORK (Reuters) - For weeks, the rumor mills have been working overtime to claim that Oscar winner Meryl Streep based her portrayal of the Machiavellian mom in the remake of "The Manchurian Candidate" on Hillary Clinton. The rumors are not even remotely true, Streep told reporters over the weekend. But the actress added that she was imitating a person that no one has yet guessed. Streep plays a U.S. senator intent on seeing her son become president, assuming the villainous role played by Angela Lansbury in the original 1962 political thriller. The remake from Paramount Pictures is slated to...