By Jim Turner (Contact)Originally published 04:05 p.m., July 16, 2008Updated 04:05 p.m., July 16, 2008 Doubling his personal contribution to $500,000, former Palm Beach Gardens Council member Hal Valeche has started the second quarter with the most cash on hand among three Republicans seeking to unseat Congressman Tim Mahoney, D-Palm Beach Gardens, from Florida’s 16th […]...