Venezuela has accused neighboring Guyana of issuing illegal exploration licenses to oil companies for the Essequibo region which is under dispute between the two countries. According to Caracas, Georgetown had been issuing “illegal oil concessions ... in a maritime area that is indisputably Venezuelan.” At the end of last week, Caracas made news when it ordered troops to the border with Guyana, which sounded the alarm on the buildup. Venezuela did not deny it but said it had the right to shore up its borders in response…