In January 2017, he grew to become a CNN senior political commentator. The "Synthesizing Obama" system, published in 2017, modifies video clip footage of previous president Barack Obama to depict him mouthing the phrases contained in a independent audio monitor. Santorum ran for president again in 2016, but ended his campaign in February 2016 after a bad showing in the Iowa caucuses. He ran for the Republican nomination in the 2012 U.S.