 Live from NPR News in Washington, I'm Lakshmi Singh. Former President Donald Trump is declaring on his Truth Social platform that today's Supreme Court decision that grants the president substantial immunity for official acts is a, quote, big win for our Constitution and democracy, end quote. Meanwhile, a senior advisor for President Biden's reelection campaign argues today's ruling does not change the fact about what happened in the run-up to the January 6, 2021, riot at the U.S. Capitol.