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Independent producer Jake Warga visits a friend who is doing health-relief work in Ethiopia. The woman makes sacrifices and finds herself in odd situations. To Warga, she is a real –- flawed — hero.

Even as U.S. officials insist Washington remains committed to diplomacy with Iran and is not seeking a conflict, analysts and former American intelligence officials are chronicling what they say is an unfolding intelligence war between the two adversaries, which is being waged covertly throughout the Middle East.

A new law that went into effect in January requires U.S. citizens to have a passport when traveling to Mexico, Canada and the Caribbean. The change created demand that is peaking now that spring break is here and summer looms.

The 15 British sailors and marines captured by Iranian forces in disputed waters are back in London. After nearly two weeks, they were suddenly freed by Iranian President Mahmoud Ahmadinejad.

Crackdowns on methamphetamine ingredients have reduced the number of meth labs in the nation's heartland, but demand for the drug has not gone away. Mexican traffickers are now supplying purer "ice" meth that leads to quicker addiction and more violence.

A draft report released Friday warns that climate change could threaten the lives of hundreds of millions of people in the decades to come. The international panel of scientists predicts drought and drying in many regions, including the American West.

In an announcement made on his Web site, Sen. Barack Obama says he will form a presidential exploratory committee. The first-term Democrat says he will go into greater detail about his White House plans on Feb. 10.

Sen. Barack Obama (D-IL) has announced that he has filed papers to create a presidential exploratory committee. The announcement is a first step in the senator's potential 2008 run for president.

The Justice Department says the Bush administration will end its warrantless domestic wiretap program, and accept the authority of the Foreign Intelligence Surveillance Court.

Reports that Shiite leader Muqtada al-Sadr and his radical movement will end a boycott of Iraq's parliament are raising a number of questions about politics in Iraq.