Americans traveling from Mexico or Canada into the United States will need to show proof of citizenship. I'll explain this new border law.
		Sportsmanship on the basketball courts may get a boost in Montana. Lucy has the details on a new mercy rule.
		Speaking of Montana, TV star Miley Cyrus is coming to a Wal-Mart near you. Isaac has the scoop on the chain's plan to sell Hannah Montana merchandise.
		The hummingbird is famous for its hover and rapid-fire flap of its wings. Adelbert will explain a recent discovery about its noise-making tail.
		A cold snap in China has that Asian nation buried under deep snow. Michelle will explain how the frigid weather is impacting millions.
Suspenseful Super Tuesday Republican Senator John McCain edges past his rivals. Both Senator Hillary Clinton and Senator Barack Obama won key states, but neither can claim a clear victory in the democratic race. Mardi Gras in New Orleans Festive parade-goers and dancing revelers celebrated Mardi Gras, or Fat Tuesday, in New Orleans. Fat Tuesday marks the end of carnival and the start of Lent, a 40-day period before Easter. Tornado Wreaks Havoc A devastating tornado swept across several southern states, killing over 40 people and destroying homes and schools. Alabama, Arkansas, Kentucky, and Tennessee were affected.