Benjamin Franklin's gravestone develops crack from pennies

PHILADELPHIA - A fundraising campaign has been launched to save the damaged gravestone of Benjamin Franklin at the Christ Church Burial Ground in Philadelphia.The Christ Church Preservation Trust tells The Philadelphia Inquirer that the marble ledger tablet marking Franklin's final resting place has recently developed a significant crack.The ritual of tossing pennies onto Franklin's grave has been blamed for causing the crack. Tens of thousands of coins are thrown onto the marker each year in tr