Does being a witness in a murder case mean they will dig my past and vocalize it in court or the grand jury questioning? Discredit me openly?

Only in extreme cases where the person might exhibit violence or, in the judge's opinion, present a danger to themselves or others. Or if the disruptive person is the defendant. In most cases, the bailiff will be asked to escort the disruptive person or persons from the courtroom.

Yep if the judge so orders. In some cases, where there are blows exchanged, they hold them for arrest.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.