IN LA: http://www.kcet.org/shows/paul_mccartney_the_library_of_congress_gershwin_pr ize_for_popular_song_in_performance_at_the_white_house/in-performance-at-the -white-house.html Airdates: Wed Jul 28, 2010 -- 8:00PM -- KCET Wed Jul 28, 2010 -- 9:30PM -- KCET