JEFFERSON CITY, MO (AP) - Some members of the Missouri House want to make it harder to change the state Constitution.
Missouri law now requires approval of constitutional amendment by a simple majority in a statewide vote.
That would rise to 60 percent under a proposed constitutional amendment that won initial House approval Tuesday.
The measure would still allow voters to repeal amendments approved within the past 10 years by a simple majority vote.
Several Democrats questioned that provision, saying it would give an exemption to special interest groups hoping to repeal an amendment protecting embryonic stem cell research in Missouri. That amendment was approved with 51 percent of the vote in 2006.
Constitution change is HJR78
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