While thousands of tourists clamor daily to visit any of the District’s many museums and memorials, Northern Virginia sits across the river, unwanted and unloved. Well, they’re trying to change that. Hoping to lure some the District’s tourists and their many dollars over to their side of the Potomac River, tourism officials in Northern Virginia have launched a creative, if somewhat childish promotional program, writes the Examiner. The Northern Virginia Visitors Consortium has started handing…