** FILE ** In this Sept. 13, 1993 file photo President Clinton presides over White House ceremonies marking the signing of the peace accord between Israel and the Palestinians with Israeli Prime Minister Yitzhak Rabin, left, and Palestinian leader Yasser Arafat, right, in Washington. When Hillary Rodham Clinton finally exits the 2008 Democratic presidential race, she will end a decades-long, power-couple streak of unique political energy, savvy ideas, colossal policy flops and raw ambition dressed in pants suits and briefs, not boxers. (AP Photo/Ron Edmonds, File)