In the end, the independent voters who swung about 17% for Democrats in 2006 and then roughly 17% for Republicans in 2010 were not being fickle. They were sending a consistent message.
They oppose the ideological arrogance and legislative overreach that comes with one-party rule. They like the checks and balances of divided government, believing that it can constrain hyperpartisan impulses and pursue the common ground policies of fiscal responsibility.
But today the two parties are more polarized than ever. Ideological arrogance is encouraged — the peer pressure that comes from partisan media and apologist columnists who condemn compromise. The dysfunction of government gets worse.
From the article Beware politics’ evil twins by John P. Avlon posted at CNN.com on March 4, 2011.