Michael Feinstein has this op-ed in Fox and Hounds Daily, making the case that the California Citizens Redistricting Commission ought to include at least one member from a party other than the Republican and Democratic Parties.
U.S. District Court Judge David S. Doty, a Reagan appointee, will hear Libertarian Party of Minnesota v Choi, 0:19cv-2312, on Tuesday, May 19, at 10 a.m. This is the case that challenges the wording on petitions for independent candidates and the nominees of unqualified parties. It says the signer does not expect to vote in the upcoming primary. Obviously this wording makes it more difficult to persuade individuals to sign such petitions.
Similar cases have won in the past in New York and West Virginia.
Traditionally in the U.S., caucuses for presidential nominations are held on a single day. But the Nevada Democratic Party this year is using a multi-day process. See this article. Thanks to Demorep for the link.
Pennsylvania requires presidential primary candidates to submit 2,000 signatures to be on a ballot. The filing deadline is February 18. This article lists the presidential candidates who have already filed.
U.S. District Court Judge Susan Richard Nelson will hear Pavek v Simon, 0:19cv-3000, on Friday, April 24, at 9:30 am. This is the case filed by the Democratic Party over the order of candidates on general election ballots.
Here is the Democratic Party’s latest brief, filed on February 14.