Why the slow Covid-19 vaccine rollout has been called “inexcusable” and “a nightmare”

Only four million people in the U.S. have received a Covid-19 vaccine thus far, well below the initial estimate of 20 million. It’s all part of a federal rollout that has received bipartisan criticism, including from Utah Senator Mitt Romney (R-UT) who called it “inexcusable.” Elizabeth Rosenthal of Kaiser Health News spoke to NBC’s Joshua Johnson about what can be done to improve the distribution plan, which she says has been “a nightmare.”