From the Washington Post:
Michael Tesler, assistant professor of political science at UC Irvine [writes]: Why would having a daughter matter more for younger Americans than it does for older voters? Here are two complimentary explanations. First, a female president may mean more to parents of younger children because their kids have not yet forged their own paths in life. … Second, a long line of research shows that young adults tend to have less crystallized political attitudes than older people.
 

For the full story, please visit https://www.washingtonpost.com/news/monkey-cage/wp/2016/02/11/a-key-reason-young-people-dont-support-hillary-clinton-they-dont-have-daughters/.