The Republican and Democratic nominees, as well as any third-party candidates who average 15 percent support in polls, will be invited to take part in the debates sponsored by the Commission on Presidential Debates.
John McCain has proposed to Barack Obama a series of ten "town hall meetings" that would be held at locations throughout the country. These meetings would be held before the party conventions in late August.[7] ABC News had proposed a town hall meeting in New York's Federal Hall, which was jointly rejected by both candidates for being moderated by the press and for being exclusive to ABC.[8]
Obama countered with an offer for two additional debates in addition to the CPD debates - an economic town hall Independence Day weekend and a foreign policy debate in August.[9] McCain rejected that offer, and the only debates currently scheduled are the CPD debates listed above.[10]
In addition, on June 4, 2008, Bob Barr, the Libertarian Party's presidential nominee, in an official press release, invited the Republican Party's presumptive presidential nominee, John McCain, and the Democratic Party's presumptive presidential nominee, Barack Obama to weekly presidential debates.[11] As of yet, neither has accepted his invitation.
On August 2, 2008, Obama accepted the CPD proposal. In his letter, he stated that due to the short period between the conventions and the campaign, that "likely that the four Commission debates will be the sole series of debates" between the two. McCain criticized Obama for rejecting his town hall proposal. [12]