Mayor Michael Nutter and Mayor Mick Cornett talked about the issues facing U.S. mayors, including federal and state aid in a weakened U.S. economy, city budgets and what's being cut or expanded, decisions about police and fire protection, transportation, education, employment and more. Mayor Nutter, a Democrat, and Mayor Cornett, a Republican, are attending a weekend meeting of the U.S. Conference of Mayors in Baltimore.