CBS legal drama ‘Bull’ will end with its sixth season.  Bull is loosely based on the work of Dr. Phil McGraw as a jury consultant; McGraw is also an executive producer of the show.  Series star Michael Weatherly tweeted the news, saying: “It’s been my privilege to play Dr. Jason Bull but after 6 seasons of incredible storylines, it’s time to pursue new creative challenges and bring his story to a close.”  Sources confirm that Weatherly’s decision to move on led to the decision to bring the series to an end.

The series has dealt with a good amount of