Dangerous weather is impacting millions of people all over the U.S.  Parts of Louisiana and Arkansas have seen damage from tornadoes, with over 20 million people on severe weather alerts across the South.  Winter weather is also slamming the Midwest, with areas of South Dakota seeing almost two feet of snow and travel warnings across Minnesota and Wisconsin.  Over 20 states are under alert for flooding rain and high winds, including California, where heavy rain is moving into the Bay Area before it’s forecast to take aim at the Los Angeles area.