the king's english. >> this portion of the "cbs evening news" is sponsored by publisher's clearing house and pch.com. g house and pch.com. caring for someone with alzheimer's means i am a lot of things. i am his sunshine. i am his advocate. so i asked about adding once-daily namenda xr to his current treatment for moderate to severe alzheimer's. it works differently. when added to another alzheimer's treatment, it may improve overall function and cognition.