So, if the Senate is "too late" in confirming Warsh by May 15, then "too late" will stay as Fed Chairman! --- *POWELL: WOULD SERVE AS CHAIR PRO-TEM UNTIL SUCCESSOR CONFIRMED *POWELL: NO INTENTION TO LEAVE FED UNTIL DOJ INVESTIGATION OVER After that *POWELL: HAVEN'T MADE DECISION YET ON HOW LONG I'LL STAY AT FED