All this has changed, and I wonder if this contributes to this lack of awareness about appropriate workplace attire. And I always wear hose to an interview.
I bought a pair of black hose from walmart yesterday, some weird brand, as my Wolfords had a run in them. What my Pantyhose has shown is that the prevailing with is outfit go without hose and to be more casual.
27 Outfits to Wear with Black Pantyhose - Outfit Ideas HQ
The Guide to Pantyhose for Work - androidunderground.info
27 Outfits to Wear with Black Pantyhose
No hose is probably OK with most interviewers in Chicago but could be a risk with very senior people, so I would avoid this for interviews. Just balance it out with a girly dress.
I grew up in Southern California where no one wears pantyhose, ever, and tights only as a fashion statement or on very rare cold days.