Where we need the most diverse team of advisers for US safety

(CNN)Joe Biden's selection of Sen. Kamala Harris as his running mate is a powerful statement of his commitment to ensuring that all Americans feel part of our democracy -- that government of the people, by the people and for the people applies to all Americans, be they men or women, White or Black, Asian or Latino, gay or straight, recent immigrants or descendants of families who have been here for generations. The Biden-Harris ticket is the first in US history to truly reflect the American people they aspire to serve....