KGO ABC World News Tonight With David Muir August 30, 2019 00:41:00
Important to note that while these cases are associated with vaping, the exact cause is not proven. possible culprits include the vaping process itself, the substance inhaled, such as thc oil, that, of course, is the main chemical in marijuana, or some combination. tom? >> clayton sandell for us tonight. clayton, thank you. now, to the race for 2020. front-runner democrat joe biden under scrutiny tonight for a story he often tells on the campaign trail about pinning a medal on a serviceman in afghanistan. but there are questions tonight about how much of that story biden got right. here's ab...
Source: archive.org