Chicago’s entry into the ’00s-meet-the-’80s pop-rock gold rush, OK Go, is made up of four dandies with a taste for paisley and flowered patterns in their garb and hooky, feisty, near-hyperactivity in their songs. But behind their almost-too-eager-to-please energy, mix ‘n’ match sartorial flair and wacky dance moves (on shameless…
