infections ravage the unvaccinated. protesters mark the historic march on washington with demands to protect voting rights. >> voting rights is determining what we are all about. >> diaz: and later, baby boom. how these labor and delivery nurses are keeping busy becoming their own patients. >> that's definitely a light in the darkness in a world that is really hard right now. >> this is the "cbs weekend news." from chicago, here's adriana diaz. >> diaz: good evening. hurricane ida is just hours from roaring ashore, and in a cruel twist, tomorrow marks exactly 16 years since hurricane katrina devastated the region. this video from the international space station gives a sense of ida's size and power. right now, it's a category two storm, but it's expected to grow into a life-threatening category four hurricane. millions are in its path, and today people fled the coast,