Simplify the following text for a Grade 14 native English-speaking person.
Original: When Eugene McCarthy ran for president of the United States , Hurwicz served in 1968 as a McCarthy delegate from Minnesota to the Democratic Party Convention and a member of the Democratic Party Platform Committee .
Simplified: When Eugene McCarthy ran for president of the United States ( 1968 ) , Hurwicz was a Minnesota delegate to the Democratic Party Convention and a member of the Democratic Party Platform Committee .