Nation of Islam Minister Louis Farrakhan says he's been disturbed by U.S. involvement in Libya and feels compelled to deliver a words of warning.

Nelson Mandela's foundation is reaching out to the young, networked and socially conscious, bringing teens to a news conference Monday to announce it was launching a Twitter account.

The four-day air assault in Libya will soon achieve the objectives of establishing a no-fly zone and averting a massacre of civilians by Moammar Gadhafi's troops, President Barack Obama said Tuesday, adding that despite squabbling among allies, the United States will hand off control of the operation to other countries within days.

Coalition forces launched more sorties against Libya Tuesday in a bid to expand the no-fly zone but suffered a loss with the crash of a U.S. fighter jet in what American officials said was a mechanical failure.

Immersing himself in Brazil's poverty and pride, President Barack Obama on Sunday held up the South American nation as a model of democratic change in a time of uprisings and crackdowns across the Arab world and yet another war front for the United States.

President Barack Obama said Monday the United States favors the ouster of Libyan leader Moammar Gadhafi but the international military effort has a more limited goal of establishing a no-fly zone over Libya and protecting civilians against massacre by forces loyal to the longtime ruler.

President Barack Obama arrived in Brazil on Saturday for the start of a three-country, five-day tour of Latin America to promote greater economic ties and improved regional security. The trip came against the backdrop of urgent issues elsewhere in the world, including the possibility of U.S. military action against Libya's Moammar Gadhafi.

After weeks of hesitation and divisions among his advisers, President Barack Obama on Friday endorsed military action against Libya's Moammar Gadhafi, saying U.S. values and credibility are at stake to stop "the potential for mass murder" of innocents.

A tide of bodies washed up along Japan's coastline, crematoriums were overwhelmed and rescue workers ran out of body bags as the nation faced the grim reality of its mounting humanitarian, economic and nuclear crisis Monday after a calamitous tsunami.

Thousands of African and Asian migrant workers who fled Libya after years of toil are going home with empty pockets and many vow never to return.