Ding! Ding! Ding! We’ve got a winner for the silly photo of the day: Shirt-sleeved Senate Majority Leader Harry Reid trying to keep up with first lady Michelle Obama and a bunch of kids exercising at Nevada’s Red Rock National Conservation Area on Tuesday. Reid, who’s up for re-election this year, no doubt figured a photo op with Mrs. Obama, children and the outdoors would help tamp down any sense he’s a Washington fuddy-duddy. Unfortunately, the days when the former prize fighter could do a real deep knee-bend are well behind him. It’s not quite Michael Dukakis wearing the hu-u-u-uge Army tank helmet, but it’s close — Reid, the old pol, clearly out of his natural element. The only thing more out of place would’ve been Reid with one of those safety harnesses strapped over his dress slacks, making like Spiderman on the big boulder in the background.