ATLANTA (AP) — The Democratic National Convention lineup of speakers has highlighted an increasingly diverse country that could soon elect the first female president to succeed its first black chief executive. Yet the stream of women, African-Americans, Latinos, gay Americans — from U.S. senators and celebrities to activists and, on Thursday, Democratic nominee Hillary Clinton herself — also serves as a reminder of Democrats’ struggles to connect with most heterosexual white men. “It’s just sad,” says Dave “Mudcat” Saunders, a Democratic strategist turned Donald Trump supporter who says his party “has abandoned” culturally conservative white men like himself. Even Vice President Joe Biden offered a noteworthy, if more muted assessment Wednesday.