Are We Nearing Peak Employment in the US?

Unemployment drops to 4.4%:

https://www.bloomberg.com/view/articles/2017-05-05/unemployment-has-nowhere-to-go-but-up-for-trump

Male labor force participation picks up:

https://www.bloomberg.com/view/articles/2017-05-05/men-slowly-return-to-the-labor-force

Labor market slack is disappearing fast:
https://www.bloomberg.com/news/articles/2017-05-05/labor-slack-s-vanishing-act-signals-u-s-wage-gains-coming-soon

Related:
Fed Chair Janet Yellen on female labor force participation:
https://www.federalreserve.gov/newsevents/speech/files/yellen20170505a.pdf