* Reed shoots 68 to head Grillo, Fowler * Day and Spieth four strokes back (Updates at end of second round) Aug 26 (Reuters) - Patrick Reed moved one step closer in his bid for a fifth PGA Tour win and an automatic selection for next month's Ryder Cup as he seized a two-stroke lead after Friday's second round of The Barclays in Farmingdale, New York. The burly American, co-leader with Scotland's Martin Laird overnight, mixed six birdies with three bogeys in bright sunshine to card a three-under-par 68 on the challenging layout at Bethpage Black. More...