As they watch religion increasingly dominate American political discourse, nonbelievers will gather in San Francisco today for their first "All Atheist Weekend" -- in an effort to put a friendlier face on godlessness. "We're trying to do what church people call outreach," said Jim Heldberg, a Pacifica software salesman and onetime Methodist who coordinates the group San Francisco Atheists. "We feel very threatened by what's going on in this country, but we realize that we can't just sit here in a corner by ourselves," Heldberg said. "If we do, the religious right is just going to run us over." So...