List of States that mandate masks.(Updated)
California, Gavin Newsom D.
Connecticut, Ned Lamont D
Delaware, John Carney D
Illinois, J. B. Pritzker D
Kansas, Laura Kelly D
Kentucky, Andy Bashear D
Louisiana, Jon Bel Edwards D
Maine, Janet Mills D
Maryland, Larry Hogan R
Massachusetts, Charlie Baker R
Michigan, Gretchen Whitmer D
Nevada, Steve Sisolak D
New York, Cuomo D
New Jersey, Phil Murphy D
New Mexico, Michelle Grisham D
North Carolina, Roy Cooper D
Oregon, Kate Brown D
Pennsylvania, Tom Wolf D
Rhode Island, Gina Dalmondo D
Virginia, Ralph Northam D
Washington, Jay Inslee D
West Virginia, Jim Justice R
What do they mostly have in common?
https://www.npr.org/sections/coronavirus-live-updates/2020/07/10/889691823/more-than-20-u-s-states-now-require-face-masks-in-public