Amendment 10 - Powers of the States and People
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
This Amendment is based upon the second Article of Confederation:
Each state retains its sovereignty, freedom, and independence, and every power, jurisdiction, and right, which is not by this Confederation expressly delegated to the United States, in Congress assembled.
Ohio does not yet have a bill pending.
As you'll see from the comments, this website also has a complete list of states and links to the news about their sovereign issues.