Tens of thousands of Americans attended rallies on Saturday to protest United States President Donald Trump’s aggressive immigration crackdown in major cities from New York to Atlanta to Los Angeles, on a day marred by the assassination of a Democratic lawmaker in Minnesota. The protests marked the largest outpouring of opposition to Trump’s presidency since he returned to power in January, and came the same day that thousands of military personnel, vehicles and aircraft would march through and fly over Washington DC in a parade celebrating the US Army’s 250th anniversary. Saturday is also Trump’s 79th birthday. The Republican president has ordered National Guard troops and US Marines to Los Angeles, a heavily Democratic city — a deployment that California Governor Gavin Newsom has challenged in court. Anti-Trump groups planned nearly 2,000 demonstrations of varying sizes across the country to coincide with the parade. Many are taking place under the theme ‘No Kings’, asserting that no individual is above the...