>>> hello again, everyone. i'm fredericka whit field. we have new developments for you on the california shooting. we'll bring it to you in a moment. but first, i want to begin with president obama and this is how he spent this sunday. >> i know it's a little late but i was in the neighborhood. thought i'd stop by. >> a surprise memorial day weekend visit to the troops in afghanistan. earlier today, he landed at bagram airfield with the team of as vazers. aifrs one also had country music star brad paisley on board to give a concert for some 32,000 troops stationed there. mr. obama meantime talked to the troops about what they have achieved in afghanistan and what the future may hold. >> and once afghanistan has sworn in its new president, i'm hopeful we'll sign a bilateral security agreement to move forward. and with that bilateral security agreement, assuming it is signed, we can plan for a limited military presence in