Shaina Watrous, Joseph Barrett
Shaina Roet Watrous and Joseph Walzer Barrett were married Feb. 2 at the Institute for Advanced Study in Princeton, N.J. Justice Elena Kagan of the Supreme Court, a friend of the groom’s family, officiated. The couple met at Princeton, from which they each graduated. Ms. Watrous, 28, is a third-year law student at N.Y.U. In…