share: The Most Powerful Woman In GOP Politics January 01, 1970 | Politico | News A New York hedge fund heiress who co-owns a boutique cookie bakery has emerged as one of the most influential figures behind Donald Trump’s presidential campaign, and arguably the conservative movement as a whole. Read more: http://www.politico.com/story/2016/09/donald-trump-rebekah-mercer-227799#ixzz4JbUF9thi Follow us: @politico on Twitter | Politico on Facebook more news coverage