(RECAP: It’s the interview that will determine the course of the U.S. economy for the next four years: Janet Yellen will face the Senate Banking Committee on Thursday, as lawmakers weigh her nomination to head the Federal Reserve. The leadership transition could not come at a more pivotal moment for the central bank. After stimulating the economy for five straight years following the financial crisis, the Fed now needs an endgame for gently weaning the economy off easy money, and with the perfect timing. CNNMoney surveyed economists for the top questions Yellen will need to face.)