MASTERCARD/AMERICANEXPRESSJust as the cherry tree blossoms pass their peak and not long after the Easter Egg Roll on the South Lawn, there’s another hallowed Washington spring tradition: Take Your Child To Work Day. That’s when Type A parents with Type A jobs bring their kids to the office to give them some idea of what Mom and Dad do for a living — and that includes people who work at the White House, the State Department and on Capitol Hill.