NEW: Supervisors respond emotionally to possible overturning of Roe v. Wade; City College is laying off over 160 full and part time teachers; Great Highway weekend closure may be extended; U.S. Department of Justice microgrant will pay for more community policing in the Tenderloin. NEXT: Proposal for a ballot measure to create a Department of Homelessness and Supportive Housing oversight commission; a hearing and report on racial equity in city department hiring patterns; presentation on the Southeast Rail Station Study’s new train station in the Bayview; ordinance requiring the city to add 20 housing units for homeless youth in the Haight-Ashbury.