Still confused why crony capitalist #1, the "rustic" Octogenarian of Omaha, and Obama tax advisor #1, Warren Buffett has been aggressively attempting to corner the railroad market, while the administration relentlessly refuses to allow assorted new, and very much competing petroleum pipelines [3]from America's neighbor to the north to cross through the US (in gratitude for the former's generous "tax advice" and pedigree by association)? Hint: it's not concern about the environment. The answer is the chart below.
Source: Diapason

