US Treasury Secretary Tim Geithner. (Mandel Ngan/Getty Images)

• Ray J at Eden on Monday night. The R&B singer, best known as Kim Kardashian’s ex-boyfriend and sex-tape co-star, spent the evening working the dance floor and hooting it up with some GWU basketball players, who were also in attendance. He’s in town to promote his new record, “Raydiation 2”.