DAVIS CUP: HIGH "I.Q." FOR U.S. Isner, Querrey give Americans 2-0 lead over Brazil   By Junior Williams   (February 1, 2013) JACKSONVILLE - Straight sets victories by John Isner and Sam Querrey have given the United States a commanding 2-0 lead over Brazil in the first round of the Davis Cup World Group at Jacksonville Veterans Memorial … [Read more...] about Davis Cup: High “I. Q.” For USA