Coins left at airport security checkpoints reignite debate on getting rid of them

That money adds up, with travelers leaving behind almost $10 million in change over the past 12 years.

Should the U.S. get rid of pennies, nickels and dimes? The debate has gone on for years. Many people argue for keeping coins on economic-fairness grounds. Others call for eliminating them because the government loses money minting low-value coins.