Rockers Def Leppard and Journey are joining forces for a co-headlining tour next summer that will feature outdoor performances.  The Steve Miller Band, Heart, and Cheap Trick will be joining the tour on various dates.The U.S. tour includes a stop in Toronto in August.Def Leppard’s Joe Elliott spoke on the upcoming tour saying, Def Leppard…

Def Leppard and Journey Tour