wednesday, july 21st, 2010, a huge day for the obama administration. a bill like that is the kind of thing presidencies are made of, and this is how "nbc nightly news" opened its show on that historic night. >> from nbc news world headquarters in new york, this is "nbc nightly news" with brian williams. >> a short time ago in washington the secretary of agriculture entered a press conference and apologize it had to a low level employee he fired after a short piece of video came out that hardly told the full story. >> on the day that president obama signed wall street reform into law. the news media, as well as the obama administration, were consumed entirely by something entirely else. shirley sharrod. remember the shirley sharrod scandal. she was an agriculture employee