Federal officials had no reason to stop a white supremacist group’s July 4 rally in Washington because of free speech protections, US Interior Secretary Doug Burgum said on Sunday.Hundreds of masked Patriot Front members who marched through the nation’s capital on Independence Day on Saturday did nothing illegal, Burgum told CNN’s State of the Union programme.Although the organisation’s white supremacist, anti-immigrant ideology is “nothing that I could possibly agree with”, Burgum said,...