this morning an unusual rift in the u.s. supreme court. justice sonia with diabetes took part in oral arguments via zoom because of gorsuch refusing to wear a mask. nina, thanks for joining us this morning. what happened here? >> well, she has diabetes so she's at risk for serious illness or death if to catch covid and zest been quite aggressive about protecting her herself, the court only went back to work this fall when cases were way down and now they're way up and she made clear to the chief justice and