the hair a little bit different than now, but dawshes. >> i like it. >> i like the updated version.hout my career i'll have hav a variety of difft hair pictures for our viewers. there's four years ago, and as you mentioned, the president looking very happy. >> he does look happy. >> in the second term. a little grayer but happy. >> beaming, you might say. >> beaming. >>> final security preparations are underway for tomorrow's inauguration ceremonies. protecting the president, the dignitaries and hundreds of thousands of spectators is the top priority. for the six agencies overseeing security, part of the job is balancing the need for everyone to enjoy the day. let's talk about it with a former secret service director who oversaw the first inauguration following the 9/11 attacks. that had to be a tremendous responsibility. we'll get to that in a second. as you look at what the secret service is doing for tomorrow, how do they pull it off? it's a celebration, it's a national party, but it has serious overtones. >> that's absolutely correct, john. remember, this is not just about prote