foods all warned the variant is hurting business. last tuesday the tsa screened nearly 1.3 million people, that is the lowest level since may. california firefighters have made progress against this huge and destruc sstructive caldor f. there is no rest for fire crews. three new blazes have ignited in the state as another heatwave moves in. cam camilla brunell reports. reporter: new fires and additional threats as crews make progress on the caldor fire burning in the lake tahoe area. three new wildfires in california ignited sunday as the region gears up for a heatwave. new fires always take precedence because we don t want another large fire. reporter: in southern california, the aruba fire now burning in san diego county.
so we re really seeing the kind of meshing of the president s agenda as well as what is happening right now on the ground. there are major questions about whether that infrastructure plan is going to get passed. in particular after senator joe manchin said he wanted to hit the pause button ott budget reconciliation plan which is linked to these two things. so this is a fraught moment for president biden right now as he tried to get that agenda passed to respond in the long-term to the kind of things that we re seeing right now in louisiana and which he ll see on the ground today. jeremy, thanks so much. we ll have much more on the the visit coming up. now to the fires burning out west. a massive wildfire forcing thousands to flee the lake tahoe area. but there is glimmers of home this morning. stephanie elum is live out there. what is the very latest from where you are? reporter: well, we have some good news. and that is we just got an update on the fire overnight and we know now
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martha raddatz with late reporting tonight and ian pannell s interview on this emergency effort in kabul. also tonight, major news on the pandemic here in the u.s. both pfizer and johnson & johnson tonight saying they now have evidence vaccine booster shots dramatically increase protection from covid. tonight, the new evidence and what it shows for the johnson & johnson one-shot and the booster. and for pfizer, the level of antibodies after the third shot. this comes with more than 100,000 people in the u.s. now hospitalized with covid. our team tonight inside a hospital at the breaking point in texas. patients now lining the halls. the new images coming in tonight. the raging wildfires in california. the caldor fire burning more than 123,000 acres. seven states now with serious concerns over air quality. from california to colorado. matt gutman standing by on the front lines. the heat wave building across much of the country tonight. heat alerts now in 29 states,
both are vaccinated. what we re learning tonight. the images coming in from northern california. the caldor fire burning out of control closing in on lake tahoe. and paying tribute tonight to a groundbreaking musician, a rock n roll pioneer. good evening, everyone. thanks so much for joining us on another very busy sunday. i m linsey davis. several major stories as we come on the air tonight, just moments ago president biden addressing the nation speaking to americans about the crisis in afghanistan. we re also monitoring the catastrophe unfolding in tennessee. the urgent rescue mission now under way. more than 22 people are dead and dozens more are missing in deadly flash floods there, but we begin with tropical storm henri. at least 40 million in the danger zone, the eye coming ashore this afternoon at the border of connecticut and rhode