LOS ANGELES (Reuters) – Country pop singer Taylor Swift hit back at comedians Tina Fey and Amy Poehler for mocking her love life at Hollywood's Golden Globe Awards this year, calling the jab sexist in an interview with magazine Vanity Fair on Tuesday. During the awards broadcast, hosts Fey and Poehler threw a barb at the singer, telling her to "stay away" from actor Michael J. Fox's 23-year-old son. The Grammy-winning singer is well known for documenting her personal relationships in her songs, often leaving little clues in the lyrics that hint at the subject. …