For all you Superbowl fans and others who’ve seen the Clint Eastwood “Halftime in America” ad , don’t miss Washington Post opinion writer  E. J. Dionne’s take today in “Clint, Rick and the limits of pessimism.” Dionne reminds us that “Franklin Roosevelt, Ronald Reagan and Bill Clinton all understood that Americans prefer hope and optimism to gloomy declarations of impending doom.”  The GOP candidates and GOP-guru Carl Rove seem to need that reminder – as Dionne warns Romney  “he should not want to be associated with salvos against Obama so repetitious and predictable that he is starting to conjure memories of the Gipper declaring: ‘There you go again.'”

Read his full commentary here at washingtonpost.com