Today's News Roundup Credit Karl Nielsen Press Democrat SMART coalition launches campaign to renew tax that provides operating cash for North Bay passenger rail system Marin Independent Journal Citizens group proposes SMART tax renewal campaign Railway News San Francisco Advances Muni Metro Train Control Upgrade Mercury News Lanes will be closed on Richmond-San Rafael Bridge starting Friday night Mercury News VTA eyes purchase of downtown San Jose building for security office Mercury News VTA scouts for tenants for agency’s new downtown San Jose HQ Mercury News What are California’s rules about kids on electric bikes? Mercury News Trump revokes California’s electric vehicle rules San Francisco Chronicle Another Bay Area school district invests in teacher housing. Will it help retain employees? KQED Humpback Whales Blow Bubble ‘Smoke’ Rings to Communicate With Humans Mercury News Who speaks for the trees? Mercury News Santa Clara park rangers lasso large loose lizard