EXCLUSIVE — The conservative think tank founded by former Vice President Mike Pence is lobbying Senate Republicans to confirm a nominee of President Donald Trump to an appeals court who has been panned by other conservatives as a closet liberal.

Advancing American Freedom circulated content on Wednesday to GOP senators, who will be tasked with deciding whether to confirm Rebecca Taibleson to the U.S. Court of Appeals for the 7th Circuit, defending the nominee for being “unfairly criticized” as a “secret liberal.”