We’re not always up to speed at Traversing. We prefer to slow down our thinking, turning it more toward mulling, pondering, even a dollop or two of old-fashioned cogitating. Sometimes this slowness means we miss observances and even parties (drats!), like the ones that were held in various locales to celebrate Henry David Thoreau’s 200th birthday last July. But when we do miss folks’ big days, we always try to send a cheery “Happy Belated!” card to acknowledge our oversight and wish them godspeed. So Henry, this card is for you. And given your towering presence in the literary and even spiritual life…