Biden heads to Pennsylvania in push to sell US Covid relief plan to nation, while Kamala Harris visits Colorado * Deb Haaland confirmed as first Indigenous US cabinet secretary * Republicans try to derail Covid aid publicity blitz with focus on border * Newsom vows to ‘fight’ potential recall election with new PAC launch * Sign up to receive First Thing – our daily briefing by email 4.02pm GMT MORE ON THE CORONAVIRUS, AS FEDERAL LEADERS AND OFFICIALS WARN THE COUNTRY NOT TO RELAX AT WHAT WE ALL HOPE IS THE ELEVENTH HOUR OF THE MAIN THRUST OF THE PANDEMIC. The Associated Press reports from North Carolina: Duke University saw nearly as many cases of the coronavirus last week as it did during the entire fall semester, according to data released today. The vast majority of the 231 new cases reported from March 8 through Sunday occurred within the university’s undergraduate student population. welp this was a surprise to no one, given the recent disaffiliation of many fraternities from Duke into their own council, in response to being told to wait until fall 2021 for rush. And instead hold in person parties/rush events and why is Greek life still a thing?? https://t.co/SA1kgZWMh6 There's a strong reaction among Duke students after off-campus fraternity activities led to increased COVID-19 cases and a new stay-in-place order. https://t.co/mO0jdOpSxd 3.38pm GMT IN ADDITION TO ADDRESSING THE UNITED NATIONS TODAY, VIRTUALLY, VICE PRESIDENT KAMALA HARRIS IS PHYSICALLY VISITING COLORADO. Harris and Second Gentleman, husband DOUG EMHOFF, will make their first stop in the state later at a Covid-19 VACCINATION CLINIC at Plan De Salud Del Valle in FORT LUPTON, in northern Colorado. Vaccination sites like the University of Nevada, Las Vegas, have helped Nevada administer over 989,000 shots. The American Rescue Plan will open more sites like this, get more staff, and increase vaccine supply. Help is here to get you vaccinated. pic.twitter.com/P5Y5cjSpLk Related: Biden's make or break moment: president aims to build on success of relief bill Continue reading...