going underneath a trailer, many more people would be alive than if trailers weren't equipped with underridecars. >> they also remind cars to be attentive when driving around trucks and realize big don champion, cbs news, dallas. >>> coming up on "cbs this morning," legendary singer patiy labelle stops by studio 57. just severe rheumatoid arthritis. and i was worried about joint damage. my doctor said joint pain from ra can be a sign of existing joint damage that could only get worse. he prescribed enbrel to help relieve pain and help stop further damage. enbrel may lower your ability to fight infections. serious, sometimes fatal, events including infections, tuberculosis, lymphoma, other cancers, nervous system and blood disorders, and allergic reactions have occurred. tell your doctor if you've been someplace where fungal infections are common, or if you're prone to infections, have cuts or sores, have had hepatitis b, have been treated for heart failure, or if you have persistent fever, bruising, bleeding, or paleness. don't start enbrel if you have an infection like the flu. joint pain a