Michael R. Bloomberg, who for months quietly laid the groundwork to run for president as an independent, will not enter the 2016 campaign, he said Monday, citing his fear that a three-way race could lead to the election of a candidate he thinks would endanger the country: Donald J. Trump.
http://www.nytimes.com/2016/03/08/us/politics/michael-bloomberg-not-running-for-president.html?_r=1