I would look into your interview prep, just like some of the others have said. I just interviewed and was hired at RAH. The interview was just as described in the gouges. If you weren't prepared for what you encountered at the interview, it would be a little overwhelming to just go in there cold.
I also know what you are going through mentally. I did not get hired at my first choice, and experienced all of the self doubt and anger that you have been going through. Stay current, keep the good attitude up, and apply what you've learned to the next set of interviews.