FILE - In this April 18, 2014 file photo, President Barack Obama speaks in the Rose Garden of the White House in Washington. House Speaker John  Boehner of Ohio says Congress is sending President Barack Obama legislation to build the Keystone XL pipeline on Tuesday. The White House is indicating Obama will quickly veto it in private over Republican lawmakers' urging that he sign it. It would be the third veto of Obama's presidency.  (AP Photo/Jacquelyn Martin, File)

Defying GOP, Obama vetoes Keystone XL pipeline bill

The move puts a freeze on a top GOP priority, at least for now. It also reasserts Obama’s authority over a project that’s become a flashpoint in the national debate about climate change.

In this Thursday, Dec. 18, 2014 photograph, a person walks through a Merck & Co. company building, in Kenilworth, N.J.  Merck & Co. on Tuesday, Feb. 24, 2015 announced it has granted a free license allowing one of its HIV medicines to be made and sold inexpensively for use in young children in poor countries hard hit by the AIDS virus. (AP Photo/Mel Evans)

Merck grants free license for pediatric HIV drug

Drugmaker Merck & Co. has granted a free license allowing one of its HIV medicines to be made and sold inexpensively for use in young children in poor countries hard hit by the AIDS virus.