But guess what? It is illegal. Even tricky Dick knows that!
Articles of Impeachment against Richard M. Nixon
http://classes.lls.edu/archive/manheimk/371d1/nixonarticles.html
ARTICLE 2
He has, acting personally and through his subordinates and agents, endeavoured to obtain from the Internal Revenue Service, in violation of the constitutional rights of citizens, confidential information contained in income tax returns for purposed not authorized by law, and to cause, in violation of the constitutional rights of citizens, income tax audits or other income tax investigations to be intitiated or conducted in a discriminatory manner.
So yeah, asshole, it's illegal. Great job Obama! You really pick some winners