FILE - In this March 4, 2009 file photo, Dr. Phil McGraw arrives for a taping of "The Late Show with David Letterman" in New York.
NEW YORK Will it be Ellen DeGeneres, Dr. Phil or Dr. Oz? Maybe none of the above. The announced shutdown of "The Oprah Winfrey Show" in two years creates room for a new queen (or king) of daytime television.







