Pot may cause changes in brain, study suggests

NEW YORK – A small study of casual marijuana smokers has turned up evidence of changes in the brain, a possible sign of trouble ahead, researchers say. The young adults who volun...

Nation Briefs

Appeals court upholds EPA emission rules WASHINGTON – A federal appeals court Tuesday upheld the Environmental Protection Agency’s first emission standards for mercury and other h...

End of road for highway projects?

DAYTON, Ohio – On the road in a tour bus this week, the U.S. transportation secretary is spreading some bad news: The government’s Highway Trust Fund is nearly broke. If allowed to run dry, ...

Dems take lead in fundraising

WASHINGTON – Deep-pocketed donors are turning over multimillion-dollar checks to influence November’s elections, and the sums raised by the national parties and their super PAC allies are al...

Latinos: Obama out of time

WASHINGTON – Latinos and immigration activists are warning of political peril for President Barack Obama and Democrats in the fall election unless the president acts boldly and soon to curb ...

New World discoverers suffered old disease

The bold colonizers who accompanied Christopher Columbus on his second trip to the New World faced obstacles impossible to grasp in today’s hyperconnected globe. The seafarers planned to set...

Security Council sees torture photos

UNITED NATIONS – The U.N. Security Council fell silent Tuesday after ambassadors viewed a series of ghastly photographs of dead Syrian civil war victims, France’s ambassador said. The pictur...

Deep-diving sub resumes search for missing jet

PERTH, Australia – A robotic submarine looking for the lost Malaysian jet began its second mission Tuesday after cutting short its first because the ocean waters where it was sent were too d...

Firm starts Ukraine gas shipments

BERLIN – German utility company RWE said Tuesday it has started sending natural gas to Ukraine, a move that could support the country if Russia acts on its threat to cut off supplies because...

World Briefs

Report: Iran has cut nuke-arms ability VIENNA – The United Nations will release a report this week certifying that Iran’s ability to make a nuclear bomb has been greatly reduced b...

Ukraine military battles protesters

KRAMATORSK, Ukraine – In the first Ukrainian military action against a pro-Russian uprising in the east, government forces said they repelled an attack Tuesday by about 30 gunmen at a small ...

Boston remembers victims of bombings

BOSTON – Survivors, first responders and family members of those killed in the Boston Marathon bombing marked the anniversary Tuesday with tributes that combined sorrow over the loss of inno...