U.S. experts hunt for Ebola exposure after first case

WASHINGTON - Health experts are monitoring "a handful" of people who were potentially exposed to Ebola through physical contact with the first patient diagnosed with the deadly virus in the United States, the top U.S. public health official said on Wednesday. | Video

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White House fence jumper pleads not guilty in September 19 breach

WASHINGTON - The Iraq war veteran accused in the September 19 breach of the White House pleaded not guilty on Wednesday in federal court.

2:25pm EDT

At least 10 killed in shelling of school and mini-van in Ukraine

DONETSK Ukraine - At least 10 people were killed on Wednesday when shells hit a school playground and a public transit mini-van in a nearby street in Donetsk in eastern Ukraine, underscoring the fragility of a ceasefire between separatists and government forces. | Video

2:22pm EDT

An environmentalist's calculated push toward Brazil's presidency

RIO DE JANEIRO - In March 2003, three months into her tenure as Brazil's environment minister, Marina Silva gathered a half-dozen aides at the modernist ministry building in Brasilia, the capital.

World, Brazil 7:05am EDT

Taliban bomb Afghan army vehicles in Kabul, seven dead

KABUL - Two Taliban suicide bombers carried out separate attacks on Afghan army vehicles in Kabul on Wednesday, killing seven people and injuring 19, the government said, a day after Afghanistan signed security deals with NATO and the United States.

World, Afghanistan 6:42am EDT

U.S. lawmakers rebuke Secret Service over White House breach

WASHINGTON - The head of the U.S. Secret Service faced scathing criticism on Tuesday for the agency allowing an intruder with a knife to run into the White House, while details emerged of a separate security lapse involving an armed contractor who rode an elevator with President Barack Obama.


Israel's Netanyahu tells Obama that Iran can't be allowed to reach nuclear arms 'threshold'

WASHINGTON - Israeli Prime Minister Benjamin Netanyahu told President Barack Obama on Wednesday that he hopes the U.S. leader will make sure that any final nuclear deal between Iran and world powers does not allow Tehran to stand at the "threshold" of being able to develop nuclear weapons.