ALL THE elements were present: the individual stories told by real people of their situations and hardships, the packed-to-the rafters crowd, the crowd's chanting of key phrases and names, the action on the spot of texting and phoning to show instant support and commitment to jump into the political battle, the rallying selections of music, the setting of the agenda by the power people. The Democratic National Convention had all the elements of the perfectly organized event, Saul Alinsky style.