United States Senate / Honorable Tom Harkin United States Senate Washington / Honorable Patty Murray United States Senate Washington / Honorable George Miller United States House of Representatives Washington / D.C. / Honorable Rubén Hinojosa United States House of Representatives Washington / D.C. / Honorable John Kline United States House of Representatives Washington / D.C. / Senate / Honorable Lamar Alexander United States Senate Washington / National League of Cities / Honorable Virginia Foxx United States House of Representatives Washington / D.C. / /