On June 30, the Delaware Senate defeated HB 215 by a vote of 3-18. It had passed the House on June 15 by a vote of 38-3. It would have moved the non-presidential primary from September to April.
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On July 23, Spain held a parliamentary election. In the Congress of Deputies, which has 350 seats, eleven parties won at least one seat. In the Senate, which has 208 seats, five parties won seats. Spain uses proportional representation. See this wikipedia article about the election.
C. T. Weber, a long-time leader of the Peace & Freedom Party of California, has this op-ed in L.A. Progressive. He asks California Governor Gavin Newsom, who holds himself out as a democracy advocate, to support proportional representation.
On July 21, the Arkansas Secretary of State determined that No Labels is now a ballot-qualified party for purposes of the presidential election.
Here is the blog post from Walter Olson, Senior Fellow at the Cato Institute.