The March topic seems to take new twists and turns everyday.

Michigan To Announce Caucus In The Next Few Days
“A member of the DNC’s Rules And Bylaws Committee — the committee that stripped Florida and Michigan of its delegates for moving their primaries before February 5th — told me that Michigan plans to get out of its uncounted delegate problem by announcing a new caucus in the next few days.”
[via Scripting News]

Puerto Rico Switches From Caucus To Primary; Moves Up
“[Puerto Rico will] change the voting process from 8 caucuses to a primary with voting places in all 1,800+ barrios in Puerto Rico’s 78 municipalities. This is done in light of the hundreds of thousands of Democrats expected to turn out on June 1, a late date in which we would have originally expected a pro-forma vote with low turnout.”

SuperDelegate Count Drops To 794
“Two of the eight prominent Democrats appointed by the Democratic National Committee (DNC) to represent Maine as super delegates at the Democratic National Convention aren’t eligible to do so under the DNC’s own residency requirements.”

A Brief History of Superdelegates
It isn’t breaking news, but it does shed some light on the reasons for establishing superdelegates.