Democratic presidential candidates, progressive political action committees, labor coalitions and filmmakers gathered with more than 3,000 activists in Washington this week for the fifth annual (My added link) Take Back America (TBA) Conference. Next week, activists will attend the first U.S. Social Forum (USSF), an offshoot of the World Social Forum, in Atlanta, Ga. Although the events might appear redundant, or even competitive, they reach different niches in the larger progressive movement -- and their outcomes will determine the degree of cohesion with which the Democratic Party's liberal wing enters the 2008 election season. The two events are not jointly...