Kim Philby was at the core of the biggest spy scandal of the twentieth century. A member of Britain's elite upper class, he attended Eton and Cambridge; you can't go higher than that. Yet he decided to start spying for the USSR.
Say the Russian spies, who managed to embed themselves in the U.S., managed to find a valuable recruit the FBI missed? Might the Obama administration have acted precipitously in jetting the Russians to Vienna?