Former Mississippi Gov. Ray Mabus on Saturday condemned Gov. Tate Reeves’ decision to declare April as “Confederate Heritage Month” —- calling it “incredibly hurtful” and “dead solid wrong.” It celebrates “something that was truly awful: people trying to own other people,” he added. “First, I didn’t do it when I was governor,” Mabus told CNN in a video clip posted on Instagram by anchor Victor Blackwell. “And second, Confederate heritage? Really? The heritage that I think of with the Confederacy is slavery, is treason and is losing. Which of those heritages are we really honoring here?” Mabus,…