Morning Edition

There is word of another controversial leak investigation by the Department of Justice. The target is Fox News reporter James Rosen, who was monitored by the department after breaking a story about North Korea's nuclear weapons program in 2009.

When news of Yahoo's purchase of Tumblr first hit, Tumblr users took their reactions online. The posts were quirky and sharp with plenty of worry about the future.

IRS and Treasury officials can expect a hard time in their appearances on Capitol Hill Tuesday. A key question that so far has not gotten much attention: How did it come to be that social welfare organizations became vehicles for political activity?

It's been a difficult night for rescuers in the Oklahoma City suburb of Moore. Crews have been digging through what's left of neighborhoods searching for survivors after Monday's deadly tornado.

Giant technology firm Apple is paying billions of dollars less than it should in U.S. taxes each year, according to a report by the Senate Permanent Subcommittee on Investigations. In a hearing Tuesday in Washington, D.C., Apple CEO Tim Cook will defend the company.

The subcommittee's report says Apple avoids the tax payments mainly by shifting profits to three subsidiary companies in Ireland. The investigation found Apple is taking advantage of technicalities in U.S. and Irish tax laws to avoid paying any tax on a huge portion of its profits.