Travis Smiley told USA TODAY that most GOP candidates declined invitations to address several black and Hispanic groups, including a Univision debate for a Latino audience.
USA TODAY ON POLITICS: Smiley warns GOP contenders of political consequences
"No one should be elected president of this country in 2008 if they think that along the way they can ignore people of color," said Smiley, host of radio and TV talk shows. "If you want to be president of all America, you need to speak to all Americans."
Arizona Sen. John McCain, former New York City mayor Rudy Giuliani and former Massachusetts governor Mitt Romney have declined to participate in the Sept. 27 debate at Morgan State University.