Thousands of people have already poured into Washington, D.C. for a Saturday rally organized by conservative radio and television commentator Glenn Beck.SNIPAlthough camping is illegal on the National Mall, hundreds of people are choosing to spend the night on the grassy lawn of the Mall on both sides of the Reflecting Pool. They are doing that to get a better view on Saturday. Police say, as long as people remain awake, they may stay.(Check out the video report of the crowd and Beck's pre-rally visit to the site at the source link. In the video, the reporter says there are...