>> Last weekend The Phillips Collection’s exhibit of work by Sean Scully opened. This is the first U.S. show of his Wall of Light series, inspired by a trip to Mexico 20 years ago, according to the Museum’s web site. This show is also a good chance to see the Phillips’ newly-expanded space, in case you haven’t already. Niels by Sean Scully is shown at right. >> Busboys and Poets, the new coffeehouse/restaurant/”gathering place” at…