Seattle (AP) - When Maria Gianni is knocking on voters' doors, she's not bashful about telling people she is in the country illegally. She knows it's a risk to advertise to strangers that she's here illegally -- but one worth taking in what she sees as a crucial election.

The 42-year-old is one of dozens of volunteers -- many of them illegal immigrants -- canvassing neighborhoods in the Seattle area trying to get naturalized citizens to cast a ballot for candidates like Democratic Sen. Patty Murray, who is in a neck-and-neck race with Republican Dino Rossi...