Authorities in Santa Monica, California, fatally shot a mountain lion Tuesday, acting on public safety concerns after it tried to escape from an office building courtyard in the city.

The uproar last week over a proposed campaign ad highlighting President Barack Obama's former pastor, Rev. Jeremiah Wright, lit up political circles before organizers finally backed off the idea.

The desperate search in Portland, Maine, for a Harvard Business School student missing since Sunday ended in heartbreak after his body was found just days before he was to graduate.

A passenger who said she had a surgically implanted device inside her prompted a security scare that led to the diversion of a North Carolina-bound jet, officials said.

The head of the IAEA says he will sign an agreement soon with Iran over its nuclear program. World powers and Iran gather in Baghdad for talks on Wednesday.

Maria Carrillo says if the government's new push to find solutions to Alzheimer's is aggressively pursued, real progress can be made.