>> it was very overwhelming, heartbreaking. >> reporter: many states including new jersey and arizona haven't issued mask mandates, while in arkansas, the governor with a surge in cases regretting a prior ban. >> it was an error to sign that into law, i admit that. >> the virus is being spread through aerosols and not droplets. wearing a mask becomes more important. >> reporter: dr. gottlieb advises wearing a surgical mask protects you more. for now, the push to vaccinate. the pentagon announcing mandatory inoculations for nearly 2 million service members by mid-september with covid numbers nearing a critical mass. >> we're not making any difference even though we're trying. >> reporter: doctors and medical providers are facing burnout with yet another surge. turning now to capitol hill, in just hours, the senate will