Despite being the front man of a multiplatinum pop rock band for more than two decades, John Rzeznik of the alternative rock band Goo Goo Dolls still has the blue-collar work ethic he grew up with.Even with the success, Rzeznik still gets anxious when he’s off the road.“When a tour is over and I walk inside my house and put my suitcases down, I feel like I am unemployed and need to find a job,” he said with a chuckle in a recent phone interview.Rzeznik and bassist Robby Takac in 1985 were an upstart punk band, touring the country in a van. They kept charging ahead and landed a big break when t