evidence: At a White House press briefing, CDC announces new mask wearing guidelines and recommends that all people wear a mask when outside of the home. [...] CDC again calls on all people to wear cloth face masks when leaving their homes to prevent the spread of COVID-19, calling masks "a critical tool in the fight against COVID-19." [...] The U.S. Department of Justice (DOJ) asks a federal appeals court to overturn the order that declared CDC’s mandate requiring individuals to wear masks on public transportation unlawful.