To gain an edge, this is what you need to know today. Callous CalculationPlease click here for a chart of West Texas Intermediate crude oil futures. Note the following: The chart shows that oil is not moving up this morning.The chart shows oil is significantly below the high it reached before Hamas attacked Israel.The reason the oil is not moving up is that the US has threatened Iran through back channels to not escalate the dispute between Hamas and Israel.To back up this threat the US has sent a second aircraft carrier group to the region.The back channel warnings picked up steam after a sta…