"Grace, Race & Renewing the Commons" literary festival

An all-day event of authors at a locavore flower farm, Wollam Gardens, near Warrenton, Virginia, from 10 am to 7 pm, featuring workshops and TED-style talks. My talk will be at 3:20 pm. Full program here. Tickets -- $39 online; $45 the week of the event; $20 for students -- can be bought here.