Ukraine warns it could lose its war against Russia as Congress delays crucial aid. A dinner for graduating law students becomes a flashpoint after a Palestinian student’s protest. And a once-in-a-lifetime cicada emergence is almost here. 

Here’s what to know today.

Ukraine warns it could lose its war with Russia without U.S. help

Ukraine is digging in to stop a collapse across their front lines as Russian attacks and American delays leave Kyiv to confront the possibility of…