Sally and I saw Def Leppard , Poison , and Tesla last night at the Mohegan Sun Arena , and it was a blast. This week has already been something of a blast from the past, and last night was a bit like being transported back in time, save that we're adults now and can pretty much do what we want. That's no small change. Rockin' out! Still, we hemmed and hawed about going to last night's show. I can remember when concert tickets didn't feel particularly expensive. You could get decent seats for $25 or $30 when I was a kid, and it didn't necessarily feel like an investment. One time in particular, I literally broke open my piggy bank to scrounge $25 worth of quarters, so my buddy and I could see Styx on the Edge of the Century tour. Going was a last-minute decision, but that was a great show . Last night was a great show, too, but why did they put Poison and Def Leppard on the bill when either could have filled an arena on their own? Because our