The casting news today is about how Shannen Doherty will be following in the footsteps of Tori Spelling, Jennie Garth, and Joe E. Tata, reclaiming her role in the WB's upcoming rebalenciagaboot of 90210. Which obviously begs the question, who would win in a fight, Shannen Doherty as Brenda Walsh, or Shannen Doherty as Brenda Walsh. Let's look at the ...