MESSAGE BOARD Have primaries polarized politics? In "Primary colors," Mark Stricherz argues that the cultural polarization of America's electorate owes a great deal to the modern presidential primary. Has today's nomination process altered our political landscape dramatically -- and perhaps for the worse? Read the story: Primary colors Response pages:  1   Name: City/Town: Email: (For confirmation purposes only) Phone: (For confirmation purposes only) Your thoughts:    This week's Ideas section Past Ideas message boards