we expect the entire campus to show up. come out to see us. we ll have a musical guest who we ll surprise with. that hopefully we can book. big surprise. we don t know. going to be fun. we want you to join us. starts at 8:00 a.m. get there first come, first serve. our live show begins at 10:00 a.m. this is important. we ll host a creative sign contest. we want you guys to do your best artwork, show up on the plaza out there with a sign. we ll pick you and you ll get another surprise that we don t know we don t know what it is either. it s going to be great. don t yeah. don t study this weekend. spend all your time wasting your time. there is news in the tipping department. okay. here s the thing i used to think it was 15% unless you re out to dinner at a nice place and it s 20%. it s 20% 20 across the board. that s what i think. now some people do that weird thing where they double the tax. i don t understand that situation. so 20% is what
3 c3 esto es nbc news, today. live from studio 1-a in rockefeller plaza. welcome to today. i m savannah guthrie. i am willie geist. there are a lot of questions about the deadly workplace shooting in minneapolis. it happened at a sign making business, the founder among the victims. the shooter dead from a self inflicted gunshot wound. we will get the latest in a live report straight ahead. also, a look to next week s first presidential debate. will it be make or break for mitt romney? the political dream team, brokaw, gregory, todd here to weigh in. thirst, remember the guinness world attempt for the most pullups in 24 hours. there has been a significant development overnight. we will talk to david coming up. we want to begin with the deadly shooting at a business in minneapolis. kevin tibbles is there. good morning to you. reporter: savannah, witnesses say the alleged 36-year-old gunman may have lost his job here at the accent sign company sometime yeste