SCOTUS upholds birthright citizenship. And, key results from Colorado's primaries

Good morning. You're reading the Up First newsletter. Subscribe here to get it delivered to your inbox, and listen to the Up First podcast for all the news you need to start your day. Today's top stories The Supreme Court yesterday upheld the long-established right to automatic American citizenship for children born on U.S. soil, regardless of their parents' immigration status. The high court's decision rejects President Trump's most aggressive efforts to limit immigration in the United States. Chief Justice John Roberts, writing for the majority, traced the origins of birthright citizenship back to the nation's founding. Roberts said that just as the colonists demanded "the rights of Englishmen" more than 250 years ago, Congress amended the Constitution after the Civil War to ensure automatic citizenship for any child born on U.S. soil. The ruling passed with a 6-to-3 vote. Altogether, five justices signed onto Roberts' majority opinion, while a sixth, Justice Brett Kavanaugh, said he would have struck down Trump's executive order on birthright citizenship based on a 1952 law, but left open the possibility of Congress putting limits on babies born to people who are in the U.S. illegally or on temporary visas. Justice Clarence Thomas authored the lead dissent, a 91-page document agreeing with Trump's assertion that the 14th Amendment only applies to former slaves and their descendants. The U.S. …