WASHINGTON - U.S. Sen. Bernie Moreno defended federal immigration agents on Thursday and sharply challenged Minnesota Attorney General Keith Ellison at a Senate hearing that examined immigration enforcement actions in Minnesota that resulted in deaths of two U.S. citizens. The hearing by the Senate Homeland Security and Governmental Affairs Committee came on the same day White House border czar Tom Homan announced the end of the Trump administration’s immigration enforcement surge in Minnesota. The operation drew intense scrutiny, particularly after federal agents shot and killed 37-year-old Alex Pretti, a local nurse who was filming a protest in January, and Renee...