The Secret Service has designated a “Green Zone” in central Washington as part of its security efforts ahead of President-elect Joe Biden’s inauguration, a move that sparked comparisons to the highly fortified swath of Baghdad that came to symbolize America’s struggles in Iraq. In a news release issued Thursday, the agency laid out road closures, public transportation disruptions and other restrictions affecting Washington, D.C., surrounding the Jan. 20 swearing-in ceremony. It identified a ‘Red Zone’ where during a six-day period only cars with special permits can enter, and a separate ‘Green Zone’ into which only permitted vehicles or residents or...