welcome back to "the ed show." reportsers, politicos and celebrities are flocking to washington for the nerd prom. the annual white house correspondents dinner is tomorrow night, and the spotlight is on this year's house, "snl" star cecily strong. msnbc's ronan farrow sat down with her to preview the big event. >> reporter: since the 1940s the white house correspondents dinner has featured hosts from bob hope to stephen colbert. >> he believes the same thing wednesday that he believed on monday, no matter what happened tuesday. >> yeah. i was -- i remembered when that was live and just being blown away and just thinking he's so amaze and so brave and look what comedy can do. >> events can change. this man's beliefs never will. >> cecily strong will only be the fourth female comedian to step behind that podium. >> doesn't feel like a huge deal to me as a nice testament to