Here’s proof positive that there are just too dang many acronyms in health care: On Sunday night, Senate Majority Leader Harry Reid mixed up the AARP and the NAACP.[IMGCAP(1)]The Nevada Democrat was attempting to tout the endorsement of the seniors’ organization during a speech on the Senate floor, but flubbed. After extolling the bill’s virtues, Reid added that “those are some of the reasons that the AARP, the American Association for the Advancement of Colored People …— before correcting himself.We’ll chalk this gaffe up to too many late nights — and an overdose of alphabet soup.Senators’ Playground. While they had to work for most of the weekend, a few Senators managed to squeeze in a little fun around snowy Capitol Hill this weekend.An HOH spy spotted Sen. Max Baucus (D-Mont.) strolling through the stalls at Eastern Market on Sunday afternoon. Perhaps he was doing some Christmas shopping?Just a few blocks away, Sen. Kirsten Gillibrand was seen walking through Lincoln Park, where snowballs were whizzing around and snowmen nearly outnumbered the people, with her two young sons and husband. The tipster says the New York Democrat accidentally stepped into a slushy puddle — and we thought New Yorkers knew how to handle the white stuff.And Sen. Mary Landrieu (D-La.) capped off a day of work on Saturday with dinner out at Matchbox on Barracks Row, where she dined with her husband and another couple, a tipster tells us.Who says the Senate is all work and no play?Submit your hot tips, juicy gossip or comments here.Can’t get enough HOH? Get a midday dose of fun and gossip with HOH’s One-Minute Recess, delivered to your inbox daily. Sign up here — because everyone deserves more recess.