Hcs Marking News Today

dies during hell week. tonight, questions about the culture of brutality and drug use. cbs david martin spoke to kyle mullens mother. >> its like a sick hazing. >> odonnell: and the medical breakthrough. cbs jon lapook with new technol that could change lives. ed >> this is the "cbs evening news" with norah odonnell, reporting from the nations capital. >> odonnell: good evening, and thank you for joining us on this wednesday night. we want to begin tonight with that extraordinary, just...