The picture was taken at Saturday at Philadelphia's Park Hyatt Hotel.
Others who saw the foursome verify the authenticity of this photograph to ABC News' Imtiyaz Delawala, who is traveling with Alaska Gov. Sarah Palin.
Why would these four think this is acceptable discourse?
Why would they think wearing these shirts would accomplish anything other than win votes for the McCain-Palin ticket?
UPDATE: Politico's Ben Smith has more on who these people are HERE.