During Tuesday night’s vice presidential debate on CBS, Sen. JD Vance (R-Ohio) claimed that immigration was a driving force for inflation, and cited a Federal Reserve “study” as his proof. But one economist just debunked the Ohio senator in a series of tweets. Vance promised to post the “study” to his social media after the debate, and in a tweet early Wednesday morning the Hillbilly Elegy author followed through. but University of Michigan economics professor Justin Wolfers — who is also a senior fellow at the Brookings Institution — took a closer look at the source Vance cited and found that…