Internal Revenue Service Commissioner John Koskinen's remarks come at a busy time for the IRS. Not only are six investigations underway over possibly politicized audits, but tax season is in full gear, and the IRS is set to play a critical role in enforcing the insurance mandate at the heart of President Obama's Affordable Care Act. (Associated Press)

Photo by: J. Scott Applewhite

Internal Revenue Service Commissioner John Koskinen's remarks come at a busy time for the IRS. Not only are six investigations underway over possibly politicized audits, but tax season is in full gear, and the IRS is set to play a critical role in enforcing the insurance mandate at the heart of President Obama's Affordable Care Act. (Associated Press)