redwing from service, a navy s.e.a.l. at war, sunday night at 10:00 eastern. three days of book tv, this weekend on c-span2. now a discussion on how americans communicate with their presidents. from "washington journal," this is 40 minutes. >> our guest now is eli saslow, who is a staff writer for the "washington post" and has written an interesting book. it's titled "ten letters: the stories americans tell their presidents." there is the cover there. and i wanted to ask you, mr. saslow, first, how interesting a concept in this era of electronic communication, lots of folks still h...