You’d think that after playing thousands of shows throughout a storied three-decade-plus career, you’d be fairly comfortable with having people watch you perform.Not so much in this case, says Goo Goo Dolls lead vocalist and guitarist Johnny Rzeznik, after performing an acoustic show exclusively for Air Miles collectors as part of their summer-long Stage Pass contest.“You can look right in their eyes and sing to them,” he says. “Being in a room of 12 people, I find it more intimidating than being in front of ten thousand people.”The intimate experience began with the band talking with the luck