St. Louis Federal Reserve Bank president James Bullard joined Wharton finance professor Jeremy Siegel recently, along with Jeremy Schwartz, research director at WisdomTree, for a wide-ranging conversation about the future of interest rates, inflation, the state of the economy, overall monetary policy, the possible over-valuation of stock prices — and more — on “Behind the Markets,” on Wharton Business Radio on SiriusXM channel 111. (Listen to the podcast at the top of this page.) Bullard  oversees the Eighth Federal Reserve District, which includes all of Arkansas and parts of Illinois, Indiana, Kentucky, Mississippi, Missouri and Tennessee.   Edited excerpts of the conversation follow. Jeremy Schwartz: You have this very regime-based view of the world. [In 2016, the St. Louis Fed switched to a regime-based approach for near-term U.S. macroeconomic projections.] … What regime are we in today?…