The Tartan Army's joyous U.S. invasion puts the lie to America's cartoon masculinity.

The Tartan Army may not have secured a place in the knockout stages yet, but Scotland’s supporters are already the breakout stars of the World Cup

Scotland’s so-called Tartan Army of fans has turned its World Cup stay into a roving celebration, bringing crowds, songs and bagpipes to bars, streets and ballparks from Boston to…