. >> on the next washington margot sanger-katz joins us. then, the 80th anniversary of social security and what the future holds for the program. later a conversation on the u.s. also care system. we will also take your phone calls, facebook comments, and tweets. next, jack ma spoke about his business philosophy, philanthropy, and global economic growth. he spoke earlier at the economic club in new york. i am so honored. i never expected so many people to come to listen to my talk. i felt so important sitting g there. how many of you have used alibaba's services? how many of you have never been to china? never been to china. thank you very much. well, 20 years ago, i came to america. my first trip was to seattle. i learned so much about america. america is not what i learned from the books. in seattle, i found the internet. i came back and told my friends that i am going to open a company called internet. i invited 24 of my friends and headed to our discussion, and finally we had a vote. 23 of them against me. forget about it, there is no s

host: we are joined now by margot sanger-katz. healthns us to discuss care spending under the affordable care act. one major selling point for the law is that it saves money and lives on the cost side. it thethere is a lot research. , preventativeme health care costs more money than it saves. this is one of those persistent selling points for the law that has turned out to not be very realistic. host: is there preventative care that does save money? is a body of research that looks at this question. there is something that is it. one is childhood vaccines. they cost almost nothing and they prevent a lot of disease and sickness. low dose for people who are at risk for heart attack, that seems to pay off. contraception is another one. providing it information about s has been very cost effective for women. there are some examples of preventative health care services that they money. i think there is hope in medicine that as we had better at prevention we can target prevention to the people who needed and do it at low cost and will p

. >>> on the next "washington journal," margot sanger-katz joins us, looking at health care insurance and costs. then sharon epperson on the 80th anniversary of social security and what the future holds for the program. later, a conversation on the u.s. foster care system, with the director of policy reform and advocacy. we'll also take your phone calls, facebook comments and tweets. washington journal, live each morning at 7:00 eastern on c-span. >>> with the senate in its august break, we'll feature brook tv programming week nights, starting at 8:00 p.m. eastern. for the weekends, here are a few special programs. saturday, august 22nd, live from jackson, mississippi, for the mississippi book festival, beginning at 11:30 a.m. with discussions on harper lee, civil rights and the civil war. september 5th, we're live from our nation's capital. followed on sunday with our live in depth program, with former second lady and senior fellow at the american enterprise institute, lynn cheney. book tv, television for serious readers. >>> founded in 1865, the nation is america's oldest weekly mag

. >> on the next "washington journal" health care correspondent margot sanger katz joins us to talk about whether the expansion of health insurance actually cuts health care costs and then the 80th anniversary of social security and what the future holds for the program. later conversation on the u.s. foster care system with the director of policy reform and advocacy. we will also take your phone calls and facebook comments and tweets. "washington journal" is live every day on c-span. >> secretary of state john kerry is in cuba for the raising of the u.s. flag of the u.s. embassy. diplomatic relations between the u.s. and cuba were restored on july 20 after 50 years. see the ceremony starting at 9:30 a.m. eastern on c-span2. >> c-span is in des moines for the iowa state fair and wrote to the white house coverage of presidential candidates. live coverage is on c-span, c-span radio and c-span.org is the candidates walk the fairgrounds and speak. here's the schedule at 10:30 a.m., jeb bush. the noon on saturday, rick santorum followed by lincoln chafee at 1230 and senator bernie sanders. on