The ACLU has filed a lawsuit on behalf of a woman and her son, challenging the city of Issaquah's stifling regulations on housing for people with past convictions for a sex offense.

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The ACLU submitted an amicus brief in a lawsuit by a candidate who claimed that illegal votes were cast in the 2005 state governor’s election by persons previously convicted of a felony.

The ACLU filed a lawsuit in 2004 against the state of Washington, challenging the denial of marriage rights to same-sex couples.

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This case asks whether Washington violated the Free Exercise Clause of the First Amendment when it followed a state law forbidding the use of public funds for theology degrees