Attorney General orders probe of gay discrimination claims.

Attorney General William Barr attends a First Step Act celebration in the East Room of the White House April 1, 2019. (Image: Chip Somodevilla / Getty Images)

U.S. Attorney General William Barr ordered an investigation into the Department of Justice’s treatment of lesbian, gay, bisexual and transgender staff following a complaint from DOJ Pride, its LGBTQ employee resource group.

In an April 4 letter to DOJ Pride released Friday…