Really nice weather this AM. Hit a headwind in an unusual spot - it's usually a tailwind there - but it was a short stretch.
Ended up behind another bike commuter I've seen on my route before. Youngish guy (20s probably) on a department store MTB (one piece cranks). Caught him going up a hill in traffic and had to drop down to the old zero-effort-gravity-does-the-work climbing technique (out of the saddle, super low cadence) in order to stay behind him. His chain was skipping on every pedal stroke and when I eventually passed him I said, "hey, sounds like your chain is in pretty rough shape." He didn't hear me, though. iPod, ya know?