2008_09_mccob.jpgBarack Obama and John McCain will come together at Ground Zero for Thursday's seventh anniversary of the 9/11 attacks "to honor the memory of each and every American who died, and to grieve with the families and friends who lost loved ones.” The notion to commemorate in unity came about during a conversation Wednesday when Obama had called McCain to congratulate him on the Republican nomination. Obama pitched the idea and McCain immediately accepted the invitation. This will be the two candidates first joint appearance coming out of the conventions. Later that night, the two will participate in a forum on public service at Columbia University. The campaigns had already pledged to suspend their television advertising on Thursday.