CNBC’s Meg Tirrell reports the Biden administration announced it plans to buy 500 million vaccines from Pfizer. Tirrell also reports that thousands of Johnson & Johnson Covid vaccines are at risk of expiring this month. CNBC’s Seema Mody discusses the vaccination rollout and its impact on travel around the world. France is welcoming back fully-vaccinated American tourists. The State Department is easing travel warnings on dozen other nations as well. Meanwhile, CNBC’s Phil LeBeau discusses the TSA worker shortage as the agency asks office staff to help at airport checkpoints. LeBeau says some airports have severe staffing shortages, such as those in Detroit, Denver, St. Louis and Boston. NBC LX’s Noah Pransky discusses the GOP and climate change as some conservative politicians join those dedicated to passing clean energy legislation. Michael O’Hanlon, senior fellow at the Brookings Institution, discusses Biden’s first trip abroad, as well as his first face-to-face meeting with Putin.