Daily Digest: Trump floats bringing back Alcatraz; UC Regents name new president

Good morning, Bay Area, and happy Cinco de Mayo. It's appropriately warm out there today, and as such, Yerba Buena Lane, one of the city’s newest proposed entertainment zones, will hold an outdoor celebration with mariachi bands and DJs. Nearby establishments such as Delarosa, Press Club, Tropisueno, Ippudo and Amber India will offer food and beverages. Today's celebration also comes after Mayor Daniel Lurie last week announced the return of the free concert series downtown in partnership with…