The problems have 'retarded' the progress of the program.
mentally 'retarded'
(..) You're Tara, right? - You remembered. - Yeah. I went to school with this chick named Sara. She was retarded. Sorry. I guess you're not supposed to say that anymore, but she was seriously mentally handicapped, like, really fucking tweaked. All the kids made fun of her and shit. I didn't because I always felt pretty retarded myself. That's how I remembered. Sara, Tara... not that you're retarded or tweaked or anything. Thank you. No, you're not like that at all. (..)2014 TvShow: Californication Title: Grace Season: 7 Episode 12