U.S. Park Police have told reporters they did not use tear gas in LaFayette Square last night ahead of the President’s walk to St. John’s Church. Instead, police officers used smoke canisters to disperse protesters who were hurling bottles at them. The news – from Park Police themselves – renders virtually every mainstream media organization and Twitter verified user guilty of spreading misinformation. WTOP’s Neil Augenstein reported this morning: “U.S. Park Police is explaining its decision-making in clearing Lafayette Square, at least 20 minutes before DC’s 7p curfew, on night 4 of protests. A source says tear gas was never