Rahal Letterman Lanigan Racing Desert Diamond West Valley Casino Phoenix Grand Prix – ISM Raceway Verizon IndyCar Series RAHAL AND SATO TO START 12TH AND 13TH IN THE DESERT DIAMOND WEST VALLEY CASINO PHOENIX GRAND PRIX   POLE:             Sebastien Bourdais     2-lap avg. speed of 188.539 mph       (L1: 19.5034, L2: 19.5251) 12th:                Graham Rahal           …