Original sentence: In 1979, he broke with his party in endorsing Senator Ted Kennedy for President over the sitting Democratic President Jimmy Carter.In 2007, he endorsed Connecticut Senator Christopher Dodd in his campaign for President of the United States, and traveled the state of Iowa campaigning on his behalf.Nolan announced his candidacy for United States Congress on July 12, 2011 to challenge incumbent Chip Cravaack in Minnesota's 8th congressional district
Edited sentence: In 1979, he broke with his party in endorsing  Senator Ted Kennedy for president over the sitting Democratic  President Jimmy Carter.In 2007, he endorsed Connecticut United States Senator Christopher Dodd in his campaign for President of the United States, and traveled the state of Iowa campaigning on his behalf.Nolan announced his candidacy for United States Congress on July 12, 2011 to challenge incumbent Chip Cravaack