RSVP Deadline: October 25 Questions? Email [email protected] Hotel Deadlines Approaching! Book your stay for CDF's 50th Anniversary at one of our hotel blocks. Hotel Washington Starting at $299 Deadline EXTENDED: October 10 Book at The Hotel Washington   JW Marriott Washington DC Starting at $329 EXTENDED Deadline: October 7 Book at JW Marriott   Sponsor a 50th Anniversary Event If you no longer want to receive emails from CDF 50th, please Opt-Out.