back to you. >> nbc's catherine craig reporting for us.hat's going to wrap things up for me this hour. i'm going to see you back here tomorrow 181:00 a.m. eastern time. until then follow me on > tsf w tin is we. wttegiescongro t caais. llhetwksel i veer or just mude the message? and case you've been asleep for the last 48 hours, president obama told some jokes over the weekend. we will discusses the best lines from our comic in chief and discuss mitt romney, merry prankster. plus a look at our national security. a look at the year after the killing of osama bin laden is, how much is the threat of al qaeda. aer y t a psmes h tes? wsri®eng luorns a y y bghur he onlnse t mas your t o shades wter and twtimes ronger. ♪ listeri® itening... poweto your moh. but when i was diagnosed with prostate cancer... i needed a coach. our doctor was great, but with so many tough decisions i felt lost. unitedhealthcare offered us a specially trained rn who helped us weigh and understand all our options. for me cancer was as scary as a fastball is h n. unal. a

catherine craig has more for us pap. >> good morning.st a few hours he'll be in the middle of it all excourted into that area on the other side of the fence for a big ceremony. the world trade center, it's not just a structure for some people but much more than that. it symbolizes the rise from tragedy, the growth of this area and the promise of what the future holds in that ceremony this afternoon, construction workers, local elected leaders, builders will mark one world trade becoming the tallest building in new york city. workers will add steel columns making the tower just over 1250 feet. it will be higher than it the empire state building's observation building. once all is said and done, one world trade will stand at 1776 feet with its antenna and it refers to when the declaration of independence was ratified. again, a bill ceremony later today with so many people who have been watching this go up for many, many years now. back to you. >> nbc's catherine craig reporting for us. that's going to wrap things up for me this hour. i'm g

catherine craig has more. >> sophia regarlo will make her debut on saturday saturday -- "saturday nightive." >> i can't believe i was invited and i have the honor of joining this amazing cast. she's turning heads but she's not the only reason. british boy band one direction is the musical guest. >> cute, young pop stars. >> we never expected anyone to have that much of an interest really. sofia is getting plenty of love from her modern family cast. >> i think these folks are coming from florida. >> a little moral support. we are sure she will be muy buen. >> don't tell me i make you nervous. >> no. >> i cannot wait to see her. >> that will be a huge draw. >> i like how she plays up the accent. i've seen her in some interviews where she is not quite so fast talking. >> why not. >> sfuss. more news coming up next. >> welcome back to "11 news saturday morning." thank you for joining us today. >> let's take another look outside with john. >> what timing. given what spring has been, this should not be surprising. all the sunshine. we haven't seen a cloud in the sky since yesterday, i guess.

>>catherine: we are with kay thompson has more. >>craig: investigators remain on scene.e a police presence. there are investigators inside of the school right now. today, the police chief says the school did not receive threats to prior to today's shooting and that they still consider this called a crime scene. the police has said it is an extremely bloody scene and there is a lot of evidence and that still needs to be collected. processing the scene could take up to 24 hours. >> this is charles, and his girlfriend was waiting -- inside of the scene. he said this was one of the serious state of her life. >> she is so scared right now. >> of she was one of the lucky ones that was unharmed. >> i received a text message from are asking him to call police. >> big this is a live picture of oakland police. they still have a edgewater drive, one block in front of this will continue to be blocked off. please do not believe the school will be reopened to rob because it will take them that long to collect all the evidence. there will be a memorial service tomorrow as well curious