grateful dead drummer mickey hart explores the scientific power of "good vibrations." >> mickey's wearing an e.e.g. cap and each of these electrodes are detecting the subtle signals of rhythmic activity being generated by the neurons if his brain. >> woodruff: those are some of the stories we're covering on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: >> supported by the john d. and catherine t. macarthur foundation. committed to building a more just, verdant and peaceful world. more information at macfound.org >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: the latest look at the job market shows progress is still coming in fits and starts. the labor department today reported a net gain of 223,000 jobs for june. in turn, the

the four surviving members guitarist bob weir basest phil lesh and drummers mickey hart and bill kreutzmanorm together again. all four still have solo projects and often join one another on stage making sunday's farewell one of the hottest tickets in years. >>> and coming up after your local news on "cbs this morning," more on the dead's farewell and ballerina misty copeland. i'm alison harmelin and this is pthe "cbs morning news." ballerina misty copeland. i'm alison harmelin and this is the "cbs morning news." at subway, we bring layers of enticingly tender turkey irresistibly crispy bacon, and deliciously rich guacamole together on freshly baked bread for one truly amazing sandwich: the new subway turkey & bacon guacamole. only at subway. you wouldn't do half of your daily routine. so why treat your mouth any differently. brushing alone does less than half the job leaving behind millions of germs. complete the job with listerine®. kill up to 99 percent of germs. and prevent plaque early gum disease and bad breath. complete the job with listerine®. power to your mouth™! also try listerin

. >> reporter: their followers still recognize kreutzmann his fellow drummer mickey hart.est name in the band died 20 years ago. >> there's going to be 63 65,000 people here. >> something like that. >> which is why his bandmates agreed to have the last stop be here at soldier field. two shows in santa clara, california, last weekend opened the tour with help from keyboardist bruce hornsby and phish lead singer trey anastasio. >> these guys are all in a good place. >> peter shapiro is the tour's promoter. >> the fans all knew the 50th anniversary was coming. the fans wanted something. it was the right thing to do. this was the right way to do it. >> did you think when you started it would be this big? >> we thought it would be great. this weekend we're going to be going live to concert venues around the country. we'll have 200,000 people. >> sound checks were under way on stage amid preparations for a worldwide pay-per-view transmission satellite radio and live streaming of the performances. that's appropriate because the grateful dead was never a top 40 band. never much of