What are some of the challenges of discussing a controversial book or story in a group? Describe some ways to handle these challenges.

What is the central idea in this advice from branch rickey to jackie robinson?  

Mr. underwood's editorial defending tom robinson is surprising because he's described as not wanting to be near negroes it's a dangerous stance to take at that time he had been neutral during the trial he wasn't in the courtroom

For all of those, i want the answer. me.