IRS

Chuck Grassley: Lois Lerner Refused to Resign From IRS

She's now pleading the fifth

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 First she refused to testify. Now Lois Lerner, the IRS official at the center of the tax agency scandal, is refusing to resign, according to a top Republican senator.

Sources confirmed to Fox News earlier Thursday that Lerner, the head of the IRS division that oversaw the unit targeting conservative groups, had been placed on administrative leave, with pay.