By Harris Cohen, Special to The Post and CourierThursday, April 22, 2010Selling millions of records over the last 15 years and having three Grammy nominations have made Goo Goo Dolls founder and singer/guitarist John Rzeznik feel very lucky. "We wouldn't be given the chance now that we had 20 years ago," he says. "Record companies simply don't know what to do. They're singles driven and don't have the patience to let talented musicians develop," Rzeznik exclaimed. He feels very fortunate having had the opportunity of two to three albums to develop and refine their style that led to their succe