Wayland Town Crier 11/14/12: Activist to preach at Congregational Church of Weston. Congregational Church of Weston will welcome writer, editor and national media producer, and now environmental activist, Wen Stephenson to the pulpit for Outreach Sunday on Nov. 18 at its 10:30am worship service. All are cordially invited. Stephenson, who will speak on “Why Walden Matters Now,” has been managing editor of PBS Frontline, editor of The Boston Globe’s “Ideas” section, and senior producer of NPR’s “On Point with Tom Ashbrook.”