Two leading economists said President Joe Biden’s $1.9 trillion stimulus bill could overheat the economy, drive up prices, and force the Federal Reserve to respond by increasing the interest rate. Oliver Blanchard, former chief economist of the International Monetary Fund, said in series of tweets on Saturday: “Much too much is both possible and harmful. I think this package is too much,” he said. “It would take the unemployment rate very close to zero. This would not be overheating; it would be starting a fire.” Blanchard said Biden’s proposal of $1.9 trillion added to $800 Billion that Americans may be expected to spend out of their savings in 2020, plus $900 billion from the Trump Administration’s CARES Act last December, accumulate to $3.6 trillion. This is 4 times his predicted $900 billion growth of the American economy in 2021. Blanchard said even if he made a conservative assumption, the demand would go …