World Trade Center site, center, is under construction .....ceremony at the site on Thursday, Sept. 11

The World Trade Center site, center, is under construction Monday, Sept. 8, 2008 in New York. Republican presidential candidate Sen. John McCain, R-Ariz and Democratic presidential candidate Sen. Barack Obama, D-Ill. are scheduled to attend a ceremony at the site on Thursday, Sept. 11 to mark the seventh anniversary of the terrorist attacks on the United States. The skyline of Jersey City, N.J., top, is across the Hudson River from New York.