For Millennial women working in male-dominated fields where the boys’ club is still somehow a thing, a workplace free of gender bias can seem like a pipe dream.

In the US, the male loneliness crisis affects fathers deeply, says author and stay-at-home dad Shannon Carpenter. Here are ways to address the unmet need for connection.

Ms. Cottle is a member of the editorial board and a host of “Matter of Opinion.” The more I learn about the epidemic of male loneliness, the more I’m convinced that America needs to send its ...