WASHINGTON -- With such fellow believers as President Bush and Attorney General John Ashcroft in office, religious conservatives have never had more friends in high places. But a growing sense of frustration is enveloping the leadership of the political movement that began nearly 25 years ago when the Rev. Jerry Falwell's Moral Majority burst onto the national scene. A generation later, most Americans don't stand with the Christian Right. Its big agenda items have fizzled. And as the impact of last month's sweeping Supreme Court ruling on gay rights sinks in, the movement is at a soul-searching crossroads. "Obviously, in...