(Bloomberg) -- The arrest of a senior counter-intelligence official, alleged to have traded secrets for Kremlin cash, is upending Austrian politics ahead of national elections and cementing the nation’s reputation as a haven for spies. Most Read from BloombergTrumpism Is Emptying ChurchesIran’s Better, Stealthier Drones Are Remaking Global WarfareWhy India’s South Rejects Modi — And Why It MattersGermany to Order Ships, Armored Vehicles Worth Up to €7 BillionBlackstone Nears Buyout of Skin-Care