Trenda Purcell searched for her 8-year-old son Kamden after Monday's tornado in Moore, Okla. When she found him, their reunion was emotional. The Oklahoman was there to capture the moment.

Closing arguments have wrapped up in a lawsuit challenging the New York Police Department's stop-and-frisk policy. Plaintiffs say the majority of the stops involved black and Hispanic men. But New York City says there's no racial motivation whatsoever. Host Michel Martin asks the tricky question: how exactly do you prove racial profiling?

Rebellious athletes, drained budgets, dysfunctional management and a string of embarrassing scandals. Persistent turmoil at U.S. Speedskating threatened American success at the looming Winter Olympics in Sochi, Russia. So USS has undergone a major reorganization.

Speaking at the White House on Tuesday, President Obama offered words of comfort and federal resources to Moore, Okla., where a tornado hit Monday. At last count, 24 people were confirmed killed; the number was expected to rise.

Under Douglas Shulman's watch, IRS personnel singled out some conservative groups for extra scrutiny. That, he conceded Tuesday, has "justifiably led to questions" about the tax agency's motivation.

In a stroke of luck that added a rare bright spot to what has been a sad story of widespread devastation and loss of life, Moore, Okla., resident Barbara Garcia was reunited with her dog in dramatic fashion — during an interview with CBS.

New, young drivers are much more likely to have an accident if they're short on sleep, researchers say. And teenage drivers are far more impaired than adults when facing an equivalent lack of sleep.

New, young drivers are much more likely to have an accident if they're short on sleep, researchers say. And teenage drivers are far more impaired than adults when facing an equivalent lack of sleep.

Residents of Moore, Okla., are searching for survivors and coming to terms with a massive tornado that left dozens of people dead and injured more than 200 others Monday afternoon. As aid and recovery groups search for victims and try to reunite loved ones, they're also seeking donations and coordinating housing.

Former IRS Commissioner Douglas Shulman and outgoing acting Commissioner Steven Miller are being grilled. The IRS is under fire because some conservative groups' applications for tax-exempt status were given extra scrutiny in recent years. An inspector general has called the actions "inappropriate."

As it roared through the Oklahoma City suburb of Moore, packing winds of up to 200 mph, the twister flattened buildings. Searchers continue to look for survivors and those who were killed.

In Texas, it may be politically unwise to cross the governor, but some politicians and advocates in the poor Rio Grande Valley are starting to speak out in support of expanding Medicaid. Gov. Rick Perry opposes all parts of Obamacare.

In Texas, it may be politically unwise to cross the governor, but some politicians and advocates in the poor Rio Grande Valley are starting to speak out in support of expanding Medicaid. Governor Perry opposes all parts of Obamacare.

The deadly collapse of a textile factory in Bangladesh has heightened awareness about cheap clothes. Many Americans have become used to inexpensive clothing, but the garments are also discarded at a remarkable rate: Billions of pounds of clothing are recycled each year; nearly half is exported.

The Senate Permanent Subcommittee on Investigations said the tech giant claimed that three key offshore companies were not tax residents of Ireland or the U.S. One of those subsidiaries paid no taxes for the past five years while it reported income totaling $30 billion.

Melissa Block talks to Casey Mongold, owner of Casey's Tire and Auto in Moore, Okla., where a tornado caused widespread destruction on Monday.

Melissa Block talks to Jon Hamilton about the science of tornadoes.

Twitter captures firsthand accounts and reaction from the massive tornado that swept through central Oklahoma.

The search for victims and survivors continues after a tornado packing 200-mph winds flattened neighborhoods outside Oklahoma City.

A federal judge ruled that prosecutors failed to prove the executive knew about a pending congressional investigation into oil flowing into the Gulf of Mexico in 2010. The decision left in place a second charge against the executive, for allegedly making false statements to investigators about the oil flow rate.