But first, we want to get to this. a light at the end of the tunnel for the crippled cruise ship, triumph. tugboats are towing it to shore as we speak. it s set to arrive in mobile, alabama later on today. more than 4,000 passengers and crew members have been living a nightmare since sunday when a fire knocked out all the power to the ship. abc s matt gutman has the very latest. reporter: we saw first hand the crippled triumph from the air. we re about 129 miles off the coast. reporter: so they have a ways to go. yes. reporter: limping towards land. there on the deck, some of the 4sengard, more than half of the time spent without power and limited sanitation. a far cry from the vacations passengers like ann bar her text, a chronicle of misery. three days after fire kills the engines, she reassures her fy. we re all fin a tugboat is coming we don tl b just 24 hours later, there s sewer running down the walls and