Since we became aware the Joe Sestak was offered a position by the administration in exchange for dropping out of the race against Arlen Specter, there have been calls for impeachment. Small at first, but growing in strength in the past week, these calls can threaten to derail the progress that we have been making. In fact, I would submit that impeaching Obama is a terrible idea. (Mind you, this is assuming that we win enough seats in November to even try.) Impeachment puts Obama on the defense, and that might play to his strengths. I like to keep in...