Simplify the following text for a Grade 10 native English-speaking person.
Original: Deborah Ann Greer `` Debbie '' Stabenow ( born April 29 , 1950 ) is the junior United States Senator from Michigan and a member of the Democratic Party .
Simplified: Deborah Ann Greer `` Debbie '' Stabenow ( born April 29 , 1950 ) is a United States Senator from Michigan .