Hey guys,
I need help against a bug that I've encountered in New Vegas. I Don't know why but I can't start the quest For The Republic Pt2. I've helped every NRC camp in the wasteland, but when I talk to Crocker, I can't find the option to start that quest...
Anyone have a suggestion to solve that problem?

thanks in advance and sorry for my bad english...

Sorry if this is a stupid question but did you talk to Colonel Moore at Hoover Dam?

Oh may be you're right... i'll try and edit..

Edit: Well, i can't only say that I'm there for a touristic route or something like that...

Did you go to the lucky 38 yet and talk to Mr. House? When you exit, you are approached by both the Legion and NCR. That is when you are directed to speak to the ambassador. You won't get the quest until this happens . . .