Provencal (second from left) with Kenneth Craighead, Stephan Pyles and Carmaleta WhitelyThe chair of Share Our Strength Taste of the Nation for North Texas is busier than ever these days as she prepares for the big fundraising dinner.Since 1988, annual events in up to 20 cities around the country have raised more than $70 million toward the prevention of childhood hunger in America--an important goal, considering 24 percent of children in Texas alone are at risk.Provencal served as group publish