slides. but why didn't the oxygen masks drop? new reporting just coming in on what could be the first death in the united states linked to vaping, as authorities try to beat back a growing epidemic. the fires raging in the amazon rain forests, now a global threat. tonight, the concerns about climate change. brazil declaring they don't have enough manpower to fight the flames. our correspondent this on the ground. and a tesla driver on a busy l.a. freeway appearing to be asleep at the wheel. another driver filming it all. good evening. it's great to have you with us on this busy friday night. i'm cecilia vega, in for david. we do begin with president trump escalating his trade war. just moments ago, taking new, aggressive action against china. the president furious at beijing for today imposing tariffs on $75 billion of american goods.