daniel cheng is the e.r. medical director. >> the top few diagnoses that we see are infectious disease, behavioral health, and substance abuse. >> reporter: many of cheng's homeless patients also suffer from heart disease, diabetes, and kidney disease, and lack access to regular medical care. >> our homeless individuals die about one-third earlier than the normal population. so we're talking a good solid 20 to 25 years lost of life. and that really strikes home. because i think that speaks to the frustration as a physician. at the very core of what we're trying to do is quality of life. >> reporter: the homeless burden cheng's hospital with around $10 million a year in unreimbursed medical bills. they also burden medicaid, the government health insurance system for the poor. about 50% of medicaid funds are spent on so-called high- utilizers, people like the homeless who frequently visit the e.r. >> reporter: cheng says he sees the same homeless patients over and over. >> we just don't have enough time and res

cheng: our strong growth market is america, china, europe, and asia.erica, particularly in the u.s., we are a solid number four in terms of market share. we have now about 10% market share over there. we will continue to grow the business over there. china being the most competitive market. it is very important for us. display the security phone at the world congress in shanghai. we will demonstrate the leading encryption technology in all four layers -- the chip, hardware layer, system, and platform computational layer. those will be framed into the business and public service sectors. rishaad: that is where you see growth. you mentioned china, europe, north america, and asia. that does not leave elsewhere in the world, does it? where is your toughest market? cheng: i think it is in china. the consumers are very sophisticated. they also have an entry barrier, the barrier to entry is so low. our ip portfolio does not appreciate the value we are bringing to the market. we have to invest more into the go-to market in china more efficiently. zte mobileat

.: 18-year-old alejandro cheng is on track to be a future olympian in taekwondo. >> when i come backactice it's like every other practice. you can't let that be the top. i want to keep going. scott a.: the 2017 stone bridge high school grad is one of only eight men in the country on the u.s. senior national team. >> yes! yes! >> the feeling of happiness like i never felt before filled my body. dang! it's an experience i will never forget. scott a.: one of the best things about him, he is so humble. he knows there is a lot more work left to do. his next stop is the taekwondo world championships in south korea. he has turned a lot of heads in the short amount of time including his coach. >> i'm amazed, this kid amazes me on a daily basis. he is only 18. three or four years. unreal what his potential is. unreal. scott a.: a gifted athlete with tights set on tokyo 2020. >> i always dreamed when i was it will to go to the olympics. now that it is putting everything in perspective i can be in the olympics. scott a.: the best is yet to come from this teenager. i'm scott abraham with our ris

. >> yes, but now what is going on now, how it would ever cheng. >> not going to change for a long time. constitutional amendment is next to impossible, and that's the only way it would change. these justices aren't going to change that. >> thank you. >> yes sorry to have to be -- >> hi. >> who should i make it out to. >> geoff with a g like you. >> really? >> and mary. >> i'm the only one who knows who peles it with one f which is ed idio -- idiosyncratic. >> thank you. >> thank you very much. >> i want to give this to my son-in-law because he is an attorney here in chicago. >> who? >> don gibbons is his name,. >> first and last name? >> john. >> john, john or john gibbons. >> i think john gibbons. >> where does he work? >> gibbons. >> drawing a blank right now. very interesting talk. >> thank you. >> enjoyedded. >> thank you for coming. >> here's a look at the authors recently featured on book tv's "after words." our weekly author interview program: block >> it's the countries that have the most diversity internally and are most connected then to opportunities and ideas abroad that wi

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in the docks in burma, we gave to the brits to fight the war and that caused one of the first major cheng kai shek. chiang kai shek offered two armies to the brits. two chinese armies, which would six divisions to fight in burma. the first response was no and for a long time i thought that it could -- -- that was just the brits. back in burma for 10 days in august of this year and some of the research i did, the british story is they knew they andd not supply two corps six divisions. there could barely suffice -- supply the two divisions that they have. chiang kai shek offers these decisions, -- divisions, but they do not come with the base they need to do the fightings. first said no and then they talk a bit and then they said yes. there were two chinese armies, six chinese divisions. the british army and two divisions fighting in burma in march and april of 1942. one american and his staff, we will not supply any combat troops, ground combat troops, the burma until merrill's marauders in 1944. anys not commanding americans other than his immediate staff and four state department guys. w