(Bloomberg) Switzerland has become home to one-fifth of the Russian spies operating in Europe as other countries expel diplomats, NZZ newspaper reported, citing an intelligence report. Most Read from BloombergIsrael Latest: Scores of Civilians, Soldiers Kidnapped by HamasHamas Attack Prompts Blame Around Israeli IntelligenceBiden Says Israel Under Terrorist Attack, Pledges US SupportShock Incursion on Weakened Israel Imperils Regional GeopoliticsHamas Just Torched Biden’s Deal to Remake the M