president obama, meanwhile, makes a high stakes visit to the united nations. could there be a breakthrough meeting with his counterpart from iran? also coming up, while jihadists at a nairobi mall target non-muslims, a taliban group claims responsibility for slaughtering scores of christians at church in pakistan. nascar is about excitement. but tracking all the action and hearing everything from our marketing partners, the media and millions of fans on social media can be a challenge. that s why we partnered with hp to build the new nascar fan and media engagement center. hp s technology helps us turn millions of tweets, posts and stories into real-time business insights that help nascar win with our fans.