Here are some of David Lettermans sponsors:
Aveeno https://www.aveeno.com/contact-us.jsp;jsessionid=ICzq9MKfCJMvYNQPalV7EWJ+CJY
Canon http://www.usa.canon.com/templatedata/AboutCanon/ciwofloc.html
Citibank https://online.citibank.com/US/JRS/portal/contactus.do
Downey (Owned by P&G) http://www.downy.com/en_US/contactus.jsp
Hellmans https://secure.hellmanns.com/contact_us.aspx
Lexus (Owned by Toyota) http://www.lexus.com/contact/
Nissan Motors http://www.nissanusa.com/apps/contactus
Rogaine http://www.rogaine.com/men/contact-us
Ambien CR https://contactus.sanofi-aventis.us/default.aspx
Chase https://www.chase.com/ccp/index.jsp?pg_name=ccpmapp/shared/assets/page/contactus
Ford http://www.fordvehicles.com/help/contact/
Hotels.com http://www.hotels.com/faqs.do?reqType=getQuestions&cmsFaqId=
Listerene (Johnson & Johnson) https://www.listerine.com/contact-us.jsp;jsessionid=o9dUC7PE892Iut-YH7ibH32Z1Wk
Mazda http://www.mazdausa.com/MusaWeb/emailMazda.action
Old Navy (Owned by The Gap) http://oldnavy.gap.com/customerService/info.do?cid=3332&mlink=5151,1004621,3&clink=1004621
Samsung http://www.samsung.com/us/info/contactus.html
T-Mobile http://www.t-mobile.com/Contact.aspx
Also if you havent yet filed a complaint at the FCC:
http://esupport.fcc.gov/complaints.htm
Channel and time: CBS at 11:30 p.m. Monday June 8th (rape joke), Tuesday 9th (prostitute joke)
CBS Feedback;
http://www.cbs.com/info/user_services/fb_global_form
EXCELLENT...thankyou !!