Bug. For the Republic, part 2. (Fallout: New Vegas)

Hi all, really need help. Preface: With the passage of the quests turned out so that decided to almost all problems in advance and peacefully, except for the brotherhood of steel. Before taking the quest fulfilled the basic line of BS and the idol from them.
The bug: In the log PIP-boy says - Look where this WG. based BS and deal with him fit to elder McNamara and trying to solve all the world, he agrees, even he is offering and the dialogue ends here. But the quest hangs, no progress. Colonel Moore and asked what's up with the brotherhood, but the branches on the peace decision no.

Do not write that you need to destroy the brotherhood, don't want to do, especially considering that can be solved peacefully. Maybe there is a command or something else?