ANCHORAGE, Alaska (AP) — A teenager pleaded guilty Friday to first-degree murder after acknowledging that he killed his foster father two years ago because the man had taken away his vapor cigarette charger. Peter Henry, 18, entered his plea in Anchorage Superior Court to fatally shooting Marvell Johnson, 64, a long-time foster parent and host of "Soul to Soul," a music show on public radio station KSKA-FM for nearly 40 years. A plea agreement calls for a sentence of 80 years in prison with 20 years suspended, leaving 60 years to serve, state prosecutors announced. Sentencing is scheduled for March 30.Read more on NewsOK.com