. >> is called the atc system. so they have a system called atc that is testing testing and it e fully implemented when as soon as the testing is finished but is currently on the system. >> is there an investigation is way -- as to why the atc has not been effective? >> atc or ptc would not be effective in people are at crossings against the flashing lights. what it does do is train to train collisions, it stops trains veteran over speed situations. if there is a designated area for there's a work crew it would be programmed to slow down or spot -- stop before that area. however with crossing ptc is not programmed or mandated to address that situation. that type of situation could improve crossings may be moving them further away or new technology that would issue an alert on cars or cell phones but the main thing that is the most helpful anywhere is the awareness and to let people know the dangers of crossing, trespassing on the track. >> thank you mr. reyes. mr. anderson. if i could jump in on the current ptc. >>

it is called the atc system. one second. so, they have a system called atc. they are doing some testing, and it will be fully implemented once testing is finished. is there currently an investigation as to why the atc has not been effective in preventing --? beeven full ptc would not effective when people are ,rossing at grade crossings against the flashing lights and the gates being down. what it does do is stop train to train collisions. it stops trains that are in over speed situations, going way too fast. if there is a designated area where there is a work crew, it slow downrogrammed to or stop before that area. also if there is a misaligned switch. in break crossing, ptc is not mandated to address that situation. that type of situation could be improved by improving grade crossings, maybe moving them further away. that wouldnology issue an alert on cars or cell phones before they hit the grade crossing. the thing that is most helpful is awareness. to let people know the dangers of crossing -- trespassing on the track. you, mr. ray's. mr. anderson, you sa

north and south korea shake rends at the olympics but the atce president stays away from the dictator'sister. did a sheriff give orders to shoot a suspect to protect a patrol car? >> glor: and the teacher who says what all teachers wish they could.

north and south korea shake rends at the olympics but the atce president stays away from the dictator'sister. did a sheriff give orders to shoot a suspect to protect a patrol car? >> glor: and the teacher who says what all teachers wish they could. >> you got to do two things to have a short meeting-- shut up! ( laughter ) this is the "cbs evening news" with jeff glor. >> glor: good evening. this is our western edition. the c.d.c. said today one in 10 deaths in this country is currently being caused by the flu or pneumonia. it is already one of the worst seasons on record, and it may not peak for several weeks. the flu has sent more than twice as many people to the hospital than at this time last year. one in 13 doctor visits last week was for flu symptoms. numbers like this haven't been seen since the swine flu pandemic of 2009. dr. jon lapook has more. >> reporter: 14-year-old gabriella chabot of thousand oaks, california, became the latest flu-related death in what's shaping up to be among the worst seasons in a decade. in a facebook post her father, michael, called her "my angel who

welare not atce where -- >> we're not in that world. >> woodruff: at the bottom line.ed bernstein, maya macguineas, thank you both. appreciate it. >> thank u. >> thank yu. >> woodruff: the opening ceremony is over, and the pyeongchang winter games are about to begin in earnest. but as john yang reports tsong the most closely watched early olympic even is global diplomacy. >> yang: fireworks opened the olympic games in pyegchang, but a diplomatic spectacle competed for attention: a historic handshake, between south korean president moonin jand north korea's nominal head of state, kim yong nam, at a welcoming reception. the greeting served to unrscore the apparent divisions between washington and seoul. vice president pence made a brief appearance, too, alongside moon and japanese prime minist shinzo abe, but he avoided the north korean delegation, and left early. the "wall street journal's" andrew jeong is covering the games. >> the conservative media here are interpreting this as a snub. other outlets are being careful because it still isn't really clear what message t