NATO en At NATO Summit, Obama Says 'Hard Days' Ahead For Afghanistan <p>World leaders are meeting with President Obama in his hometown of Chicago for a two-day NATO summit focused heavily on Afghanistan.</p><p>Obama warned of the difficulty ahead as the summit confronted questions about Afghanistan&#39;s future. The summit kicked off on Sunday with a meeting between Obama and Afghanistan&#39;s President Hamid Karzai, the two key players to determine that future.</p><p>&quot;We still have a lot of work to do and there will be great challenges ahead,&quot; Obama said. &quot;The loss of life continues in Afghanistan and there will be hard days ahead.&quot;</p> Mon, 21 May 2012 12:55:47 +0000 Mike Moen & NPR 12049 at At NATO Summit, Obama Says 'Hard Days' Ahead For Afghanistan Protesters and police clash at NATO summit in Chicago <p>Chicago is bracing for another round of demonstrations on the last day of the NATO summit. Protesters say they&#39;ll march to Boeing headquarters this morning to voice their opposition to the company&#39;s role in the U-S. military.&nbsp; Mon, 21 May 2012 11:07:18 +0000 Mike Moen 12043 at