08-21-2022 CBS News Sunday Morning : Season 30 Episode 34

PFAS chemicals; Birkenstock sandals; Tracy Smith interviews former tennis player Chris Evert; Sen. Patrick Leahy (D-Vt.), Senate president pro tempore; an exhibit of women artists; the growth of unions among warehouse workers; singer/songwriter Pat Benatar and guitarist Neil Giraldo; remembering actress Anne Heche;