Hillary's Marital Fidelity Claim Challenged Former Arkansas State Trooper L.D. Brown has challenged U.S. Sen. Hillary Clinton's claim yesterday that she has always remained faithful to her husband, ex-president Bill Clinton. The senator was pressed on her own record of marital fidelity during a book signing at a Manhattan Barnes & Noble. At first she declined to answer the question, but then insisted, "Yes." However, three years ago, Brown, a now-retired lawman who guarded Mrs. Clinton in the 1980s, revealed in his own book, "Crossfire: Witness in the Clinton Investigation," that she once tried to proposition him. "I have struggled...