Vaccine Boosters, Rickrolling, Gun Violence

We get to the bottom of all this news about COVID vaccine booster shots. Then, how a weird internet joke made ‘80s pop legend Rick Astley a legend. And, the CDC is now funding research for gun violence and insists the goal is not to restrict gun access. Also, on today’s show: a new book studies the incarceration of Japanese-Americans during World War II; at-home tests for COVID-19 could help to end the pandemic, but first they need to be cost-effective. (Photo courtesy of KnowYourMeme.com)