A bill to ban discrimination based on hair was introduced by Sen. Cory Booker. 

An incident at a New Jersey wrestling match last year in which a ref forced an athlete to cut off his dreadlocks or forfeit the match prompted the bill.

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Sen. Booker, who is also a Democratic candidate for president, says the bill would ban discrimination based on hair textures and styles commonly associated with a particular race.

There is currently a similar bill in the New Jersey state Legislature.

Booker says two states have already adopted laws against hair discrimination.