cancer report i'm joined by our science correspondent derrick williams morning morning so we're making great strides in preventing and treating cancer but the w.h.o. is warning that the number of cancer cases is still expected to rise by 60 percent over the next 2 decades why this is mostly a question of demographics it's as you know as we all know the world's population is rising and rising and rising so there are simply more people out there so in real terms the number of you would expect the number of cancer cases to also rise along with it however on the other hand there's another aspect actually a positive aspect that's causing this this rise in cancer cases is that communicable the disease is people dying of communicable diseases is actually following the number of people that die from communicable diseases and so that means that in effect people are getting older now cancer is of course a disease of the primarily of the aging young people and and children can also get it but mostly older people get cancer so people are surviving communicable diseases which means that they're mor

well joining me for more on this is our science correspondent derrick williams morning terry so scientists are making great strides in preventing and treating cancer yet the world health organization tells us that the number of cancer cases is expected to rise by 60 percent in the next 2 decades why support our so on this comes down to a couple of fairly simple factors one of which is that of course the poppy the world's population is just continuing to to boom there there are going to be many many more people and on the other hand it comes down to actually a positive development as well which is that the number of communicable diseases that are being passed on that word that in the past used to be lethal are now being are now being healed so people aren't by dying as much from communicable diseases they're growing of course older so the planet's population is growing older. and cancer of course although children and young people do get cancers cancer is primarily of course something that affects the aging you know it's these these mutations that happen in your body over the course of your

well from all i know what of this i'm joined in the studio now by our science correspondent derrick williams good to see you derek now i have to say to assess an extent this strikes me as a double tragedy because you have the casualty all transparency on one hand with regards to this doctor and then also of course the casualty now that he has died from this illness yes and what makes it actually even more striking is that transparency has really been so large from the very beginning that has been very very positive and very it's really praise china for being transparent throughout the crisis and now we've discovered that actually at the beginning in the very early stages of this outbreak that's really not been that really wasn't the case and so it's it is a great tragedy as there are so many other tragedies in china i'm sure going on right now as we speak and touching on the i mean how critical is the situation there right now i think that psychologically it's quite a critical situation because we're approaching in an important number which is the number of people who were killed in the star

attorney general william barr, and get this, south carolina senator and trump super defender lindsey graham as well as former house intel committee chair devin nunes and his adviser derrick harvey. john solomon and attorneys joe digenova and victoria tensing as well as the pro trump america first super pac. no wonder the white house didn't want witnesses especially wol ton bolton as it seems that it would directly refute this defense by the trump team. >> not a single witness testified that the president himself said that there was any connection between any investigation and security assistance, a presidential meeting or anything else. >> so here is where we stand now. on monday, along with the iowa caucuses, there will be four hours of closing arguments in the senate. on tuesday, senators will begin deliberations on the articles and donald trump will deliver his state of the union address. then on wednesday, more open deliberations and then, clear your calendar, for and third ever vote on the acquittal or removal of a president of the united states. make some choices about where you will be to watch or listen to it because your grandchildren will ask you about it one d