Photos: Political dirty tricks

Aides and appointees of New Jersey Gov. Chris Christie have been accused of closing lanes on the George Washington Bridge to punish Fort Lee Mayor Mark Sokolich, pictured, for not endorsing Christie for re-election. If true, this wouldn't be the first time an American politician was targeted with dirty tricks -- the practice goes back as far as running for office. Click through to see other examples of less-than-ethical campaign tactics.

Aides and appointees of New Jersey Gov. Chris Christie have been accused of closing lanes on the George Washington Bridge to punish Fort Lee Mayor Mark Sokolich, pictured, for not endorsing Christie for re-election. If true, this wouldn't be the first time an American politician was targeted with dirty tricks -- the practice goes back as far as running for office. Click through to see other examples of less-than-ethical campaign tactics.