Victory Institute alum served in Obama administration
Lipinski had refused to support the Equality Act
Loss in Michigan a devastating blow to Vermont Independent
But votes aren't as clear cut as Vermont Independent would like
17-page document draws heavily on foreign policy expertise
Former congressman expresses regret for waiting this long
By campaign's end, few people unaware of presidential hopeful
LGBTQ people make up 1 in 10 primary voters
Ohio widower had endorsed Clinton in 2016
Decision announced just days before Super Tuesday