Complex sentence: From 1994 to 2008, Vargas served as Senator of Colombia for four consecutive terms, and during the Colombian presidential election of 2010, ran as a candidate for the Radical Change party, but lost during the first round of voting.
Split into simpler sentences: From 1994 to 2008, He served as Senator of Colombia having been elected for four consecutive terms. During the Colombian presidential election of 2010 he ran as a candidate for the Radical Change party, but lost during the first round of voting.