Presidential candidates aim to court voters by responding to far-reaching Supreme Court rulings. French authorities say security measures are calming the protests that began after the police killing of a 17-year-old. And another Twitter surprise — Elon Musk rations the number of tweets users can see.*Want more comprehensive analysis of the most important news of the day, plus a little fun? Subscribe) to the Up First newsletter.*Up First is produced by Nina Kravinsky, Shelby Hawkins, Taylor Haney and Julie Depenbrock. Our editors are Dana Farrington, Michael Sullivan, Rafael Nam, Adam Bearne and Jan Johnson. Our technical director is Zac Coleman with engineering support from Stacey Abbott.Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)