Family Guy has been having a lot fun making fun of Bill Cosby since before the scandal and they’ve been having even more fun since it broke. Yesterday, they reworked the opening of The Cosby Show and had all the leading ladies passed out while he did his danced around in a colorful sweater. If only they brought Phylicia Rashād, Lisa Bonet and Tempestt Bledsoe into the mix, I would’ve been OK. But why did they have to add the late greats Bonnie Franklin and Bea Arthur? What did they do to deserve that? It’s not like they can defend themselves. Just like…