The top executives in charge of "Roseanne'— Ben Sherwood, Disney CEO Bob Iger and ABC Entertainment President Channing Dungey — awoke Tuesday to learn that in the middle of the night the star of their number one-rated show had tweeted something abhorent against Valerie Jarrett. After a group call with Roseanne Barr, they circled up and discussed whether there was a punishment that would measure up to the offense, if there were steps Barr or the network could take to move forward. There wasn’t..