"Nightline" Daily Line, Jan. 24: Manti Te'o Listens to "Girlfriend's" Voicemails With Katie Couric 5:05 p.m. ET: UPDATE: Manti Te'o listened today on national television to taped phone calls from his fictitious girlfriend, including one in which "Lennay" was in a jealous fit and another telling him, "I love you so much." Credit: Lorenzo Bevilaqua/Disney-ABC 3:56 p.m. ET: ABC's Nick Watt tweets about his "Nightline" piece tonight: ET: ABC's Juju Chang tweets about an upcoming piece: 1:51 p.m. ET: Technology is killing the cheater. Lipstick on the collar is no longer a cheat's biggest problem because an electronic infidelity trail is now almost impossible to erase. "Nightline" spoke with two private investigators who delve into suspected cheaters" digital footprints. Read more HERE 12:20 p.m. ET: TONIGHT on "Nightline": "Nightline" anchor Bill Weir traveled to Nome, Alaska, to hang with a couple who dive into the Bering Sea in search of gold. See the best pics from his adventure here: 10:50 a.m. ET: HOT PANTS: It's literally the hottest new trend winning over the fitness fashion-forward. ABC's Juju Chang tests them out on "Nightline" tonight. Get a preview HERE