Tricycle? Tricycles? What, pray tell, is the problem that tricycles solve, Arlington County? Two wheels on a bike aren’t redundant enough? Can’t feel the wind in your hair on a Segway? Bethesda nab all the pogo sticks? I’d like to tell you that no one is judging you. You county employees who have registered in this trike share program are cutting down on emissions and proving that the suburbs can develop sufficiently dense commercial/residential corridors…