Bulletin Today | PoliticsBy Jim Kuhnhenn and Julie Pace, White House Correspondents, The Associated Press WASHINGTON (AP) — Staking out his ground ahead of a fiscal deadline, President Barack Obama lashed out against Republicans, saying they are unwilling to raise taxes to reduce deficits and warning that the jobs of essential government workers, from teachers to emergency responders, are on the line. Obama spoke as a March 1 deadline for automatic across-the-board spending cuts approached and with Republicans and Democrats in an apparent …