build these obstacs, he has monthly events, this was the largest he's ever put together. hope to make this an annual event. >>> clearly, a peanut butter fan. >>> you can't go to gum alley in california and not leave your mark. sure you do that is rich ferguson. >> you want to get a shot of someone putting gum on it. here, take a piece. >> oh -- >> wait a second. >> that was clearly english. >> i wasn't expecting that to be the trick. >> neither was that guy. >> that old classic. like, really? >> the famous gum alley. >> you take a piece of gum and stick it on the wall. >> i love it. >> it's so classic. and that's why it's stuck around all these years, it gets a reaction every time. >> you did not just see them do it? >> i don't know. >> filming this little video on youtube for gum alley. obviously you do have a stick of gum. >> i should have told you. it's actually a prank video. >> it's so funny then how with the real piece of gum people >> you want some gum? >> yeah. >> is it real, man? >> yeah i promise, you can trust me, i'm a magician. >> we got the wrong one, bro. >

. >>> next, east carolina university professor charles calhoon talks about the obstac e obstacles faced by ulysses grant. he described how his personality influenced him decisions. it's about 90 minutes. >> good afternoon. thanks for coming out for today's lecture here at the naval war college. it's my honor and privilege to introduce to you professor charles calhoon from the eastern carolina university to talk on grant's presidency. with that, will turn it over to him at this time. hold all your questions until the end. thank you. >> thank you very much. thank you all for being here today. i would like also to thank professor john scott who could not be here today. he is in hawaii missing the snow here in rhode island. i know he did a lot of background work on this as well. as the professor indicated, i'm going to be talking today about the presidency of grant. his leadership in the white house. and i have a couple of caveats to share with you before i begin the meat of the talk. first of all, i am a political historian, not a military historian. most of you in this room know more abou