welcome back. we're following breaking news out of tennessee where one person was killed, six others wounded after a gunman opened fire in a church service in the town of antioch just outside of nashville, tennessee. the nashville fire department tweeted, this is a mass casualty situation. all of the wounded have been transported to area hospitals. the majority are older adults. that tweet from the fire department. the shooting happened around 11:15 local time at burnett's chapel church of christ. we'll update the story as we learn more. >> let's talk about health care and the battle for health care. the gop health care bill is facinfac facing a new threat today as the deadline to replace obamacare nears. the latest plan is one vote shy of failure.