- Video Corner
VIDEO: 'Suspicious substance' found in envelope addressed to Obama
A letter addressed to President Barack Obama that contained a "suspicious substance" has been intercepted at the White House's off-site mail facility, a Secret Service spokesman said Wednesday.
VIDEO: Letter with poison sent to Miss. senator
An envelope addressed to Sen. Roger Wicker of Mississippi tested positive Tuesday for ricin, a potentially fatal poison, congressional officials said, heightening concerns about terrorism a day after a bombing at the Boston Marathon.
Possible suspect identified in Boston bombing; no arrest
Federal authorities are denying that an arrest has been made in the Boston Marathon bombings. Authorities are focusing their investigation on a man seen leaving a bag near the site of one of Monday's blasts, according to NBC.
VIDEO: How the Boston bombing will change future marathons
The Boston Marathon is more than a century old, and has always been one of America's premiere road races. "48 Hours" correspondent Richard Schlesinger takes a look at this great event, which has been changed forever.
VIDEO: Obama calls Boston bombings 'act of terror'
President Obama provides a statement on the latest updates surrounding Monday's bombings in Boston.
VIDEO: Joan Benoit Samuelson runs Boston marathon 30 minutes off her winning time
The decades since Joan Benoit Samuelson set the world record in Boston haven’t diminished her competitive intensity.
VIDEO: President Obama addresses Boston Marathon explosions
President Obama addressed the nation this evening about the explosions that have rocked Boston this afternoon during the city’s marathon.
VIDEO: Top baristas duke it out for U.S. championship
The US Barista Championship offers participants 15 minutes to prepare and serve espressos, cappuccinos and coffee drinks to an array of judges. Competitors demonstrate their art and skill and at times use unexpected ingredients.
VIDEO: Saturday USPS delivery saved, for now
When the United States Postal Service proposed ending Saturday delivery, some in Congress fought to keep it, seeing it as an assault on an American institution.
VIDEO: White House challenges Jay-Z's Cuba trip rap
Refuting lyrics in Jay-Z's latest rap, White House spokesman Jay Carney says President Obama did not personally approve Beyonce and Jay-Z's trip last week to Cuba.
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