Warren Buffet picks up the pieces as the U.S. oil industry is battered by legal, regulatory and financial challenges

World Oil Editor-in-Chief Kurt Abarham and Digital Editor Cameron Wallace discuss the near- and longer-term effects of the Dakota Access pipeline shutdown on U.S. shale, legal precedents being set and who stands to benefit. Also, Pemex appears to be tightening its grip around the neck of the golden goose that is Mexico's oil and gas industry.