Last Monday night Lyssa and I took to the DC Beltway in the middle of rush hour, cast caution to the wind, and set course for the Meriweather Post Pavilion in Maryland to attend one of the rarest of events: the first Leonard Cohen concert in fifteen years. Yes, the man, the myth, the legend himself is on the road once again with a top notch band and a soulful voice and double entendes that'll turn your knees to jelly. From Cohen's rich as whisky basso voice to Javier Mas' talented hands dancing across most every stringed instrument known to …