Windsor Johnston

Nearly 600 suspected cases have been reported and at least 139 deaths are under investigation.

One American aid worker who was treating patients in Congo has tested positive.

and was evacuated for treatment in Germany.

The National Trust for Historic Places has just released its annual list of the most endangered sites in the United States.

NPR's Netta Ulaby reports.

A fast-moving wildfire near Simi Valley, California, has forced thousands of people to evacuate their homes.

The fire started Monday in Ventura County and has burned more than 1,600 acres.

Authorities say at least one home has been destroyed and several neighborhoods remain under evacuation orders.

On Wall Street, the Dow is up 490 points.

I'm Windsor Johnston, NPR News in Washington.

Live from NPR News in Washington, I'm Windsor Johnston.

Several candidates backed by President Trump scored victories in yesterday's Republican primaries, reinforcing the president's influence within the GOP ahead of the November midterms.

NPR's Domenico Montanaro reports one of the most closely watched races was in Kentucky.

where Congressman Tom Massey lost to a Trump-endorsed challenger.

President Trump says he's in no hurry to make a deal with Iran.

NPR's Franco Ordonez says a state of limbo surrounds any negotiations.

Target stores are enjoying a sales bump.

NPR's Scott Horsley reports the discount chain is one of several big retailers reporting earnings this week.

Former Massachusetts Congressman Barney Frank has died at the age of 86.

Frank was one of the first openly gay members of Congress.