Cruz Takes Delegates in Wyoming, and Rubio Wins in Washington, D.C.

Senator Ted Cruz won the most delegates awarded in the Wyoming Republican conventions on Saturday, while Senator Marco Rubio narrowly beat Gov. John Kasich in Washington, D.C., on the last day of voting before Tuesday’s make-or-break primaries in five large states.

Hillary Clinton prevailed in the Northern Mariana Islands, the only Democratic contest of the day. In Guam, Republicans chose nine delegates for the party’s July convention, but the delegates were officially unpledged to any candidate.

Compared with the primaries coming in Florida, Illinois, Missouri, North Carolina and Ohio —...