Economic headwinds and tailwinds aren’t necessarily blowing optimism across the land.“We’ll have positive growth, but nothing to write home about,” said Jacksonville University Associate Professor of Economics Carol Dole.Dole told The Civic Round Table of Jacksonville on Friday that the economy needs to grow by 6 percent to begin to recover and to create jobs.Instead, she said, the economy, as tracked by gross domestic product, might grow at half that pace.