(Bloomberg) -- In some circles on Wall Street, the hottest debate isn't about a tech-stock bubble or $100 oil as the new norm. It's whether 30-year Treasury yields will mount a sustained push over 5%.Most Read from BloombergBillionaire Duke of Westminster to Sell £700 Million of US Real Estate AssetsDOJ Plans Intervention in Trump Supreme Court Carroll AppealUS Has Opened a Passage Through Hormuz, Central Command SaysSony to Pay Almost $4 Billion for Bieber, Neil Young CatalogChina Asks Banks to