By GottaLaff
Sens. John McCain and Barack Obama are putting aside partisan politics for a joint appearance at Ground Zero to mark the seventh anniversary of the Sept. 11 attacks.Consider that a public service announcement. That is all. Over and out. 10-4.The Democratic and Republican presidential nominees, in a joint statement released Saturday, say they will appear together at the World Trade Center site on Thursday ''to honor the memory of each and every American who died'' in the 2001 attacks.
The campaigns already had agreed to suspend television advertising critical of each other on Sept. 11. The McCain campaign has said it will air no ads that day.

