Saturday on PBS News Weekend, a new report dissects actions and missteps by the U.S. Secret Service during the Capitol attack on Jan. 6, 2021. Then, following Donald Trump's attacks on Kamala Harris' race, a look at Black identity and the history of race in politics. Plus, as demand for copper and lithium grows, the increase in mining is posing new threats to Native communities around the world. PBS News is supported by - https://www.pbs.org/newshour/about/funders