Simplify the following text for a Grade 7 native English-speaking person.
Original: Dennis John Kucinich ( ; born October 8 , 1946 ) is the U.S. Representative for , serving since 1997 , and a candidate for the Democratic nomination for President of the United States in the 2004 and 2008 elections .
Simplified: Dennis John Kucinich ( born October 8 , 1946 ) is a United States Representative from Ohio . He is a hopeful for President of the United States in 2008 .