This undated handout photo provided by ABC News shows Martha Raddatz. She will moderate the Oct. 11 debate in Danville, Ky., between Vice President Joe Biden and Wisconsin Rep. Paul Ryan. (AP Photo/ABC News)

This undated handout photo provided by ABC News shows Martha Raddatz. She will moderate the Oct. 11 debate in Danville, Ky., between Vice President Joe Biden and Wisconsin Rep. Paul Ryan. (AP Photo/ABC News)