(CNN) – Marco Rubio’s heading to Iowa this weekend. The first-term Republican senator from Florida and possible 2016 GOP White House contender will be in the Hawkeye State to campaign for state senator Joni Ernst, Iowa’s GOP Senate nominee. [twitter-follow screen_name=’politicalticker’] [twitter-follow screen_name=’psteinhausercnn’] Rubio will attend a fundraiser for Ernst on Saturday. Later in the … Continue reading Rubio heading to Iowa this weekend