White House hopefuls preparing for 2008 (AP)

STRATHAM, N.H. - Why wait for the chance of a lifetime? Voters have yet to cast ballots for the midterm elections, yet presidential hopefuls are busy maneuvering for the national contest two years away. Using the early front-runners — Republican Sen. John McCain ( news , bio , voting record ) and Democratic Sen. Hillary Rodham Clinton " /> SEARCH News | News Photos | Images | Web " /> Hillary Rodham Clinton — as the standard, several potential candidates are hiring staff, lending help ...