View Larger Map A Hazmat team has responded to what’s being described as a suspicious letter opened at the Deptartment of Veterans Affairs, located at 810 Vermont Ave. NW. There is a large police and EMS presence extending around McPherson Square, Lafayette Square and the White House as a result of the investigation. The letter is reportedly being tested for signs of anthrax as a precautionary measure. A decontamination tent has been set up, and…