Brokaw, Jennings Show Support for Rather NEW YORK - While acknowledging mistakes in CBS anchor Dan Rather's "60 Minutes" report that questioned President Bush's service in the National Guard, competing news anchors Tom Brokaw and Peter Jennings offered support Saturday for the beleaguered newsman.    Brokaw blasted what he called an attempt to "demonize" CBS and Rather on the Internet, where complaints about the report first surfaced...