Close on the heels of the U.S. President George W. Bush, a 13 member U.S. Congressional delegation headed by House Speaker Nancy Pelosi arrived in Israel Friday on the occasion of the 60th anniversary of the state's founding. The delegation met with Defense Minister Ehud Barak at Jerusalem's King David Hotel on Sunday. Delegation members included House Majority Leader Steny Hoyer, Republican Conference Chairman Adam Putnam, chairman of the Democratic caucus Rahm Emanuel, and John Larson, the vice-chairman of the caucus.At the meeting Barak discussed the incessant rocket attacks on southern Israel and told delegation members "everyone should contemplate what would happen if Kassam rockets were