if we could go beyond our solar system, beyond the milky way and even beyond other distant galaxy, past the end of the observable universe, we ll find that there s more. that s a clip from our next guest s nova special which tosses everything you think youy in about our universe out the window, including our current notion of how it all began. we ve heard about the big bang theory, but what if there wasn t just one massive explosion but multiple big bangs creating duplicate parallel realities even as we speak, and they are not only duplicates of our universe but of us, too. it s at the heart of a hotly debated new field of science called the multi-verse. with us is physicist brian green and host of nova s, the fabric of the cosmos series on pbs. the theme of which he describes is how could we be so wrong? the final episode, universe or multi-verse, previews tonight.
9:00 p.m. eastern time, msnbc. ed schultz hosting that. and meantime, inside the convention what it has and has not accomplished. joined by domenico. good morning. reporter: good morning, alex. the atmosphere. what s it like leading up to sarah palin s speech tonight? reporter: lots of excitement. people are really excited to hear sarah palin speak tonight. you can see behind me, folks filing in after breakfast and they ll have, in about 35 minutes, in the ballroom to my left where palin will speak tonight, to hear a speech by a on the correlations between the current administration and marxist dictators of latin america. one to get everyone fired up to start the day. you know, people are excited. they want to hear sarah palin. they want they paid good money to come here and that s the keynote tonight. okay. with regard to a new post that you have on first read, previews