Russia ’s energy industry will be denied detonators from the U.S. used for oil and gas drilling as the Obama administration expands its response to the annexation of Crimea by suspending sales of goods with military uses. The State Department said yesterday it halted licensing for exports of defense items and services on March 24. The Commerce Department posted a notice on its website saying it had also suspending export licensing, effective March 1. Goods licensed by Commerce alone represented $1.5 billion, or 14 percent of all U.S. exports to Russia last year. “This is a lot more significant than blocking some oligarchs,” said Michael Burton , a Washington lawyer who works on export controls. “In light of the allegations that have been made, how could we continue to license, say, rifle scopes to Russia?” The U.S. has previously imposed sanctions on business leaders and government officials with ties […]