Free Republic

<p>Heard the one about the motorist lost in upstate New York? He pulls into a gas station and asks the attendant, "How do you get to Cooperstown?"</p> <p>"Hit 500 homers," the pump jockey said, not missing a beat.</p> <p>It's one of baseball's most sacred numbers and, for the moment at least, it's a sure ticket to the Hall of Fame. But now that Sammy Sosa and Rafael Palmiero have joined the 500-homer club, let's take a closer look at who else is aiming for it.</p>