Hoping to overshadow last month’s large rally led by Glenn Beck that drew many Tea Party advocates and other conservatives, a coalition of liberal groups plan to descend on Washington on Saturday to make the case that they, and not the ascendant right, speak for America’s embattled middle class.
Predicting a crowd of more than 100,000, some 300 liberal groups — including the N.A.A.C.P., the A.F.L.-C.I.O., the National Council of La Raza and the National Gay and Lesbian Task Force — are sponsoring a march on Saturday in the hope of transforming the national conversation so it focuses less on the Tea Party. The groups sponsoring the rally, which is called “One Nation Working Together,” say they hope to supplant what they say is the Tea Party’s divisiveness with a message of unity to promote jobs, justice and education....