While in Boston to promote her book, “Not That Kind of Girl,” Lena Dunham hosted a writing roundtable for six women. We’re told the session, organized by Dunham and her sister Grace and held at 826Boston, lasted about an hour and included a few writing exercises and a loosely structured conversation about writing. Best of all, the participants will have their writing included on Dunham’s Tumblr site. . . . Patriots owner Robert Kraft hosted a reception at his home for past and present Myra Kraft Transition Year Program students at Brandeis. The program helps prep high school grads for a rigorous four-year undergraduate experience. In addition to talking to the group, Kraft took a few selfies and gave club seats for Sunday’s game against the Bengals to 18 randomly chosen students.