Analysis - Flightpath to Brexit: charting through the fog

By Alastair Macdonald BRUSSELS (Reuters) - Britain's ruling Conservative party has determined that either Theresa May or Andrea Leadsom will succeed David Cameron as prime minister on September. 9 and so negotiate British withdrawal from the European Union. Narrowing the choice to May, the interior minister who quietly backed Cameron's pro-EU side in the June 23 Brexit referendum, or junior energy minister Leadsom, who campaigned strongly to leave, brings a pixel of clarity to what remains a ver