Twitters new head of news, Vivian Schiller, announced her first project today: a partnership with CNN and the New York startup Dataminr. The initiative will help journalists cover breaking news by making sense of the flood of public information on Twitter. Dataminr uses machine learning algorithms to analyze the Twitter firehose of data and ighlighti the needle in the haystack so CNN reporters can find the most important, relevant, and reliable facts and images from around the world. Using machine learning algorithms to analyze the Twitter firehose of data