Complex sentence: Willard Mitt Romney (born March 12,1947) is an American businessman who was the Republican Party's nominee for President of the United States in the 2012 election and before that served as the 70th Governor of Massachusetts from 2003 to 2007.
Split into simpler sentences: Willard Mitt Romney (born March 12,1947) is an American businessman who was the Republican Party's nominee for President of the United States in the 2012 election. Before that, he served as the 70th Governor of Massachusetts from 2003 to 2007.