Complex sentence: On January 12,2016, Senator John Thune won a slim victory over Representative Paul Ryan in the Iowa caucus; with Representative's Michele Bachmann and Connie Mack placing with less than 2% of the vote, both suspended their campaigns the day after the Caucus.
Split into simpler sentences: On January 12,2016 Senator John Thune won a slim victory over Representative Paul Ryan. With Representative's Michele Bachmann and Connie Mack placing with less than 2% of the vote, both suspended their campaign the day after the Caucus.