When last we left “American Idol” loopy lady Paula Abdul, she was blaming her fellow judge Simon Cowell for whispering silly things in her ear that made her appear dazed and confused. Apparently, the “American Idol” producers weren’t buying her explanation and were this close to firing the diminutive ditz earlier this month. “Paula was being very difficult,” an “Idol” source told US Weekly. “(She was) crying all the time and arriving late for meetings.” The set spy reported the show’s execs discussed dumping Abdul and replacing her with a fresher face. “(They) liked Jessica (Simpson) a lot,” the spy...