House Speaker J. Dennis Hastert told Rep. Tom DeLay yesterday that DeLay will keep a prominent leadership role even after his indictment, a pledge that came as the powerful Texan's departure as majority leader touched off a scramble by other Republicans hoping to gain influence from his absence. The new majority leader, Rep. Roy Blunt (R-Mo.), moved into his new Capitol suite, consigning DeLay to smaller quarters for rank-and-file members across the street at the Cannon Office Building. But Hastert, at an early-morning meeting, assured DeLay that his reduced status will not mean sharply reduced influence in running the caucus...