Democrats for decades have been struggling with the inner turmoil of diverse political positions which have kept their party from setting a course that all Democrats can get behind.  And this partly why that party has bled so many conservative Democrats to vote for Republican Presidents.
Obama has succeeded in achieving the role of presumptive Democratic [...]

On the Republican side, the increase in McCain’s position in the polls, slow as it is in coming, is a reflection of the unity that is starting to build within the Republican Party.  I think what you’re really seeing is that as the various state conventions come to a close, and people have finished jockeying [...]