The Geneva Accord peace plan got a significant boost Friday, with a letter of support from U.S. Secretary of State Colin Powell, organizers said. Washington's backing of the Geneva Accord could be seen as a veiled rebuke to the Israeli government of Prime Minister Ariel Sharon who has attacked the plan as subversive. Powell's letter was addressed to the leaders of the initiative, former Justice Minister Yossi Beilin and former Palestinian Information Minister Yasser Abed Rabbo, the two told a news conference. "Dear Yossi and Yasser," the letter read, according to a Beilin aide. "The president remains committed a two...