CONCORD, N.H. - While Democratic strategists debate which new face they should rally around to try to retake the White House in 2008 -- Sen. Hillary Clinton or perhaps a less controversial man with experience as a governor -- at least two Democrats who had their shot and lost are laying the groundwork for another try. Sen. John Kerry and his former running mate, John Edwards, both have said they are seriously considering another run. Former Vice President Al Gore, who lost to President Bush in the contested 2000 race, has discouraged the notion he will run again. Gore isn't...