background info? i did not see any info about the incident that sparked this boycott, and in looking for more i found these:
http://www.huffingtonpost.com/2012/03/03/rachel-maddow-rush-limbaugh-birth-control-sandra-fluke_n_1318354.html?ref=media
http://www.csmonitor.com/USA/Elections/Vox-News/2012/0303/Will-Sandra-Fluke-sue-Rush-Limbaugh-for-calling-her-a-slut