Sen. John Thune, R-S.D., asked two members of President Obama’s cabinet to suspend IRS implementation of Obamacare, citing the fact that the head of the health reform section of the agency used to lead the IRS section that improperly targeted conservatives.

Thune wrote Attorney General Eric Holder and Treasury Secretary Jack Lew about Sarah Hall Ingram, who led the office that subjected Tea Party groups to inappropriate audits.