e rlntit n ju a sucre fom op t ch reha tht.t mbiz the rirom tragedy, t gwtof 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 theet rersowh t dlati idendceastied. again, a billeremony 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 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

i want to thank our sponsors, newberry trustee sucre and her husband, mel, for generally -- generously supporting these events. as longtime cochair of one of our boat group's, suit appreciate fully the important conversation about ideas that she has played an important part in creating the series and taken about the kinds of conversations and conversationalist that we should host here. so, sue, thank you very much. our conversationalist tonight are extremely well-known members of the chicago and indeed the national intellectual culture and legal worlds. my introductions to them will be brief since i feel confident that all of you know something of them in their work. scott turow has had a fascinating career mixing work as a prominent lawyer at the firm snr data method is known known today with writing and especially the writing of fiction. his novels have won much acclaim from reviewers and from his peers, symbolized by their seat at prestigious honors including a reddish silver dagger award. moreover they have reached an enormous audience, and millions of copies of them have sold. mr.