A Republican U.S. Senator from Florida, Marco Rubio, is calling for the resignation of acting Internal Revenue Service Commissioner Steven Miller for the agency's targeting of conservative groups for extra scrutiny.
In a letter to Treasury Secretary Jack Lew, Rubio called for Lew and President Barack Obama to demand Miller's resignation, saying, it ``is clear the IRS cannot operate with even a shred of the American people's confidence under the current leadership.''
Rubio, a favorite of the conservative Tea Party movement, called the IRS's actions "outrageous and seriously concerning," and a "direct assault on our Constitution."
Meanwhile, a leading Tea Party organization says it will consider demanding the IRS repay the group for a costly review of its activities. A coordinator for the Tea Party Patriots, Jenny Beth Martin, says the group is consulting with attorneys, because the group's application for tax-free status has taken a lot of time and cost a lot of money.
During a conference call Friday, a senior IRS official apologized for what it admits was an inappropriate campaign to scrutinize conservative groups, but said the targeting was not partisan in nature.
But as the inspector general who oversees the IRS investigates, Republican lawmakers are calling for hearings and Tea Party leaders say they want to know more.