Amon Amarth announced a Fall North American tour today (May 28). The tour will also feature Sabaton and Skeletonwitch, as support. Tour Dates: 09/25 — Riverside, Calif. — Riverside Municipal Auditorium 09/26 — Santa Cruz, Calif. — The Catalyst 09/27 — Sacramento, Calif. — Ace of Spades 09/29 — Portland, Ore. — Wonder Ballroom 09/30…