Symphony X and Overkill have announced a North American co-headlining tour. The tour will kickoff in September and will have both bands take turns closing out the night. Tour Dates: 09/18 Worcester, MA – The Palladium 09/19 Clifton Park, NY – Upstate Concert Hall 09/20 Niagara Falls, NY – Dome Theater 09/22 Cleveland, OH –…