[wsj-responsive-image P="http://si.wsj.net/public/resources/images/BN-MY214_CRUZRU_P_20160306184222.jpg" J="http://si.wsj.net/public/resources/images/BN-MY214_CRUZRU_J_20160306184222.jpg" M="http://si.wsj.net/public/resources/images/BN-MY214_CRUZRU_M_20160306184222.jpg" caption="Ted Cruz speaks to the media before taking the stage at a rally in Mandeville, La., Friday." credit="Max Becherer/Associated Press" placement="Header" ] Republican presidential hopeful Ted Cruz has crossed the $70 million fundraising mark, the campaign said Tuesday, marking a pickup in contributions over the past month. In a tweet on Tuesday, Mr. […]