As I wandered around The Phillips Collection's monthly evening "party", it struck me, as it so often does at these things, that the formula is getting tired.The milling around, the live band / DJ, the cash bar, the weeknight social hours, the food trucks...all draw hordes of people in. Last night's event was sold out. But at the end of the day, very little sets these museum shindigs apart from each other except the a…
