convenience stores are frequently the target of robberies. some are violent. some are brazen. then there are those that are just plain odd. but we're going to go out on a limb here and say this is one of the oddest attempted convenience store robberies we've ever encountered. and, yes, we'll go even further and say it's a stick-up. it's 6:30 a.m., december 28th, 2010. jugal uptall is just opening the shop he and his son own outside washington, d.c., when a man walks in with a huge tree branch. surprisingly, jugal doesn't immediately sense any danger. >> i thought first that one minute he was joking with me,