I must be in the mood to blog...it's been a long time. I was going through pictures and realized that I had never blogged about my son's ninja birthday party. First, I must say that I was not planning on doing a friend birthday party for him. We were going to Las Vegas to take my nephew to the airport so we were just going to go to Circus Circus for his birthday. But then the mommy guilt started... he already has his birthday so close to Christmas (Jan. 3)... he'd be the only kid that didn't…