Darcy Schild President Joe Biden's administration recently announced that it's launching a new campaign to promote COVID-19 vaccinations, and it underscores the influence of well-known figures among their fans. The campaign, called "We Can Do This," is partnering with celebrities, athletic organizations like the MLB, religious leaders, and community health organizations to communicate the safety and efficacy of the nation's three authorized vaccines, according to the Associated Press. Biden's administration seems to have recognized that each famous face pictured in a post-COVID-shot selfie could be reaching thousands of devoted fans in the touch of the "post" button on Instagram -...