First Lady Michelle Obama reacts while talking on the phone to children across the country as part of the annual North American Aerospace Defense Command (NORAD) Tracks Santa program. The first lady, who’s in Hawaii on vacation with her husband President Barack Obama and other family members, answered the phone calls from Kailua, Christmas Eve, Dec. 24, 2013. Official White House photo by Pete Souza First Lady Michelle Obama reacts while talking on the phone to children across the country as part of the annual North American Aerospace Defense Command (NORAD) Tracks Santa program. The first lady, who’s in Hawaii on vacation with her husband President Barack Obama and other family members, answered the phone calls from Kailua, Christmas Eve, Dec. 24, 2013. Official White House photo by Pete Souza SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 100222-S-LZP54-482.jpg Photo Gallery