March 26, 2012 8:24 am Living Without A Heart An artificial heart is keeping an Alaska native alive until a transplant is available. Christopher Marshall is the first patient to be able to leave a local hospital with a totally artificial heart. US & World Videos 0:45 Lakers fire head coach Darvin Ham 1:12 5 things to know about Tom Thibodeau 2:42 Police find tents of missing Australian brothers, San Diego man surfing in Mexico 21:18 Jim Gaffigan gives hilarious dad advice to Kelly Clarkson audience 9:45 Orlando Bloom says he's shocked he's still alive after filming his new adventure show
