Watch David J. O'Reilly, chairman and chief executive officer, Chevron Corporation, make remarks about U.S. energy security and energy's role...

Jeffrey Mankoff discusses the oil dispute between Russia and Belarus, and its ramifications for greater Europe.

Ben Casselman and Guy Chazan report on offshore drilling by big oil companies that is made possible by their technological and financial...

As Turkey builds up its circle of friends, including those that have fallen out of favor with the West, the International Crisis Group's Hugh...