Snapchat Application Is Latest Teenage Trend, But Do Photos Disappear? Hollywood Workout Game Brings Celeb Trainers Into Home Celebrity trainer Hayley Pasternak shows off moves to get you an all-star body. 'GMA' Deals and Steals: Jumpstart January Edition Great values on gear and diet food to kick start fitness resolutions this year. Secret Ways to Make Your Food Taste Better ABC's Becky Worley with tips and tricks to make everyday food taste a little better. Extreme Weight-Loss Success Stories Chris Powell reveals two people who managed to lose massive weight. Favorite Teen App Snapchat Promises to Delete Quirky Photos New smartphone app encourages kids to share short-lived photos with friends. Woman Facing Death Penalty Called Jealous by Prosecutors Jodi Arias is accused of stabbing her boyfriend 27 times before shooting him. Justin Bieber Paparazzi Death Prompts Call for New Laws Pop star calls for new legislation following a photographer's death pursuing singer. Homeowner's Video of Robbers Goes Viral Police are searching for three burglars who were caught on tape inside a North Carolina home. Politician Allegedly Slashes Opponent's Tires Former congressional candidate under arrest after allegedly being recorded vandalizing rival's car. Parents Cope With Sandy Hook Students' Return to School Some parents express reluctance to leave their children following deadly shooting. U.S. Battles Earliest Flu Season in Decade Dr. Richard Besser explains how best to prevent catching the potentially dangerous virus. Gov. Chris Christie Slams GOP Leader Boehner Speaker John Boehner hears an earful following Congress' failure to enact Hurricane Sandy relief. Hillary Clinton Discharged from Hospital: What's Next? Secretary of state is home after spending four days in the hospital with a blood clot. Jobs Report, Debt Limit Loom for U.S. Economy With "fiscal cliff" vote in the past, legislators still face mounting challenges in Congress. California Man Drowns Trying to Rescue Wife, Dog Rough ocean waves pulled 59-year-old man out to sea, after he helped save his wife and dog.