His move away from traditional folk songwriting, paired with a controversial decision to "go electric", proved equally influential - his confessional, introspective lyrics were undoubtedly absorbed by The Beatles in their later work.

BBC: Obama honours 13 with Medal of Freedom at White House

The prosecution's star witness, one-time oil industry executive Bill Allen, has testified that he sent people on his payroll to work on the Stevens renovation, and that he absorbed tens of thousands of dollars in labor and material cost.

NPR: Sen. Stevens Will Be Back On The Witness Stand