Temporary flight restrictions will be in place over the stadium . NEW : Pope Benedict XVI arrives in Washington for six-day U.S. visit . NEW : The pope is greeted by President Barack Obama and First Lady Michelle Obama at the White House on Wednesday. Security tight for first papal visit since September 11 attacks . Benedict will also visit New York ; will celebrate Mass in both cities .
NEW : Pope Benedict XVI arrives in Washington for six-day U.S. visit . NEW : The pope is greeted by President Barack Obama and First Lady Michelle Obama at the White House on Wednesday. Security tight for first papal visit since September 11 attacks . Benedict will also visit New York ; will celebrate Mass in both cities .