The United States announced its intention to withdraw from the 35-nation Open Skies treaty that permits unarmed aerial surveillance flights over participating countries, saying Russia has repeatedly violated the pact’s terms. Senior administration officials said the pullout will formally take place in six months, based on the treaty’s withdrawal terms. It was the latest move by President Donald Trump’s administration to remove the United States from a major global treaty, following withdrawal from the Intermediate-range Nuclear Forces Treaty with Russia last year. The officials, speaking on condition of anonymity to ... (full story)