For the first time, a study suggests that Alzheimer's disease may be preventable if treatment begins early, before symptoms appear. CBS News' Dr. LaPook spoke with the doctor leading the clinical trial. | CBS News

WATCH LIVE: Sen Schumer speaks as government shutdown drags on | Fox News

SENATOR SANDERS: "The Democrats are saying, 'No, you have to sit down and negotiate,' and Republicans are refusing to do that. That is the reason why we are in a shutdown." | Fox News

The USDA will begin fully funding SNAP after a court order. | NBC News