Many Democrats are already eyeing him as perhaps their best hope for the White House in the 2008 presidential election campaign. Now Barack Obama, the charismatic senator with near rock-star status, has won glowing praise from another, more unlikely source. Frank Luntz, the communications strategist who has helped mastermind a string of victories for the rival Republican party, has singled him out as the politician whose oratory puts him in pole position for next year's presidential election. "His whole message is one of hope and opportunity," Mr Luntz told The Sunday Telegraph. "He comes across as a real person, and...