If it's possible to condense the incomprehensibly complex Russia/Ukraine conflict into one coherent hour, Matthew Rojansky can do it. Rojansky, Director of the Kennan Institute, and an expert on the region, proved that in a recent presentation at San Francisco's Commonwealth Club.

(Reuters) - Officials investigating the disappearance of a Malaysia Airlines jetliner with 239 people on board suspect it may have disintegrated in mid-flight, a senior source said on Sunday, as Vietnam reported a possible sighting of wreckage from the plane.