Weekly Roundup: January 22nd

President Biden has promised that 100 million doses of vaccines will be administered in his first 100 days — but some public health experts think the country can do much better. Gang of Eight, Gang of Six, Grand Compromise... the storerooms of Congress are littered with tried-and-failed drafts of comprehensive immigration reform proposals from the past four presidents. Now, it is President Biden's turn to give it a go. This episode: White House correspondent Tamara Keith, White House reporter Ayesha Rascoe, health reporter Selena Simmons-Duffin, and congressional correspondent Kelsey Snell. Connect: Subscribe to the NPR Politics Podcast here.