Young women, and one man, in lacy white dresses cavort in slow motion in a rose-strewn field, their hair blowing softly in the breeze, caressing a fragrance bottle with a topper borrowed from a Bernie Sanders bobble head.

Well, yes and no. It is an attempt, said Amber Schaefer, a Sanders supporter, comedian and commercial director, to illustrate that Mr. Sanders has a broad support base. While the so-called Bernie Bros — the men, mostly white, who are ardent Sanders fans — get most of the attention, Ms. Schaefer’s spot aims, via a spoof of stereotypically feminine beauty

Young women, and one man, in lacy white dresses cavort in slow motion in a rose-strewn field, their hair blowing softly in the breeze, caressing a fragrance bottle with a topper borrowed from a Bernie Sanders bobble head. Well, yes and no. It is an attempt, said Amber Schaefer, a Sanders supporter, comedian and commercial director, to illustrate that Mr. Sanders has a broad support base. While the so-called Bernie Bros — the men, mostly white, who are ardent Sanders fans — get most of the attention, Ms. Schaefer’s spot aims, via a spoof of stereotypically feminine beauty

Young women, and one man, in lacy white dresses cavort in slow motion in a rose-strewn field, their hair blowing softly in the breeze, caressing a fragrance bottle with a topper borrowed from a Bernie Sanders bobble head.