North Korea's daily bluffs may be ignored by the market, but an unexpected development comes out of Boston, where local media reports of one (and potentially) two explosions: First picture of the explosion: *AT LEAST 12 INJURED IN BOSTON MARATHON BLAST: BOSTON HERALD *BOSTON BLAST SEEM CENTERED IN `TRASH CAN': BOSTON HERALD *CNN CITES SOURCE ON REPORTS OF DEVICE AT BOSTON MANDARIN HOTEL *AT LEAST 3 DEAD AT BOSTON MARATHON, FOX NEWS CITES SOURCE First live feed from CBS: BBG TV is transmitting live from Boston: Third video via CBS Local Clip from right after explosion...fwd to 0:33... First picture of the explosion: (full story)