The Nastiest Cyclist vs. Driver Videos of 2012

This was a big year for leaping forward. A black man gained a second U.S. presidential term, European scientists found what's likely the Higgs boson, a British princess was successfully impregnated in the interests of sustaining an outdated dynasty.

But some things did not change, and in fact seemed to lurch into reverse with the gears of history sickly groaning. So it was with the long-simmering feud between bicyclists and drivers, who share the same asphalt but not always the same ideas about right of way. Although cyclist-driver tension did not erupt in outright war the way it did in 2008 – when a guy in Portland, Oregon, gunned his car full-speed with a biker as his hood ornament – diplomacy between the two clans did suffer blow upon flinch-worthy blow.