We’d like to start this week’s run-down by wishing a very happy birthday to parent blog Gothamist, which turned four on Friday. If it wasn’t for them, the rest of us wouldn’t be here. They celebrated their birthday by nabbing an interview with Entourage star Adrian Grenier, who misses NYC public transportation when he’s working in LA. They also reported on NYU students protesting a band whose name is also known as a slur,…