WorldNBC Nightly News with Tom Llamas: Full Episode, Oct. 28

A high-speed train crash in Spain has killed at least 68 people, and investigators are seeking answers to what officials called an “inexplicable” disaster. The program also covers a bombshell report alleging a secret effort to sabotage a Republican incumbent in Alaska’s Senate race, claims denied by the campaign involved. Hayden Panettiere’s death was ruled an accidental overdose, and authorities are pursuing two escaped inmates.