Airways Open News Today

and tonight here, you will see the images of the wreckage. pieces of the sub lifted from the ocean floor. the growing air quality concern tonight across the u.s., from the canadian wildfires. 20 states now. major cities including chicago, detroit, pittsburgh. pennsylvania ordering a code red. and the warning in new york. so, how bad and how long does this last this time? alex perez in chicago. weve learned tonight an amtrak train with hundreds of passengers has collided with a truc...

recovered human remains. and tonight here, you will see the images of the wreckage. pieces of the sub lifted from the ocean floor. the growing air quality concern tonight across the u.s., from the canadian wildfires. 20 states now. major cities including chicago, detroit, pittsburgh. pennsylvania ordering a code red. and the warning in new york. so, how bad and how long does this last this time? alex perez in chicago. weve learned tonight an amtrak train with hundreds of passengers...

More thing here tonight. we always know all eyes are always on the president, the white house tonight revealing new information about the presidents health, treatment hes receiving for sleep apnea and a lot of people were pointing to marks they could see on his face, they asked there at the white house, and were given a response? >> reporter: the white house says the president has been use whats known as a c-pap machine to help with sleep, that keeps the airways open. questions about this arose ...

And a few others, and it was like, oh, you guys got me. its that kind of a -- its an amazing story, but it tells you sort of the sense of humor that he had, 41, trying to punk barbara bush, as it were. >> sanjay gupta is with us just on the medical aspects of what mrs. bush was going through. we know during her time in the white house she was diagnosed with graves disease. in later years it was congestive heart failure and copd. >> yes, over the last couple of years, in fact. she did have heart ...

In copd, the lungs are inflamed and its hard to breathe. theres various medicines that can keep those airways open. because the heart is pumping blood to the lungs, the heart has to work harder and that can cause congestive heart failure. she had a discussion with her family and her doctors over the last couple of weeks about what is known as palliative care. theres a probably a lot of people hearing that term for the first time or looking it up. >> is it similar to hospice? >> it is, but its no...