Highway 37 in Novato reopened to commuter traffic in both directions this morning following a week of flooding in the roadway. Caltrans has been working to stem the tide, literally, after storm waters breached a levee last week and closed the westbound lanes. [CBS SF]

Marin County's Board of Supervisors voted last night to ratify a local state of emergency following last week's mudslides and storm damage. The emergency declaration allows the county to apply for state and federal funds. [CBS SF]

November's election will mark the first time SF has had an open field of candidates for district attorney (without a sitting DA in the race) since 1909. Five people have thrown their hat in so far: SF Sheriff's Dept. Assistant Chief Legal Counsel Suzy Loftus, Deputy Public Defender Chesa Boudin, Alameda County Deputy DA Nancy Tung, CA Deputy AG Leif Dautch, and local attorney Joe Alioto Veronese. [Chronicle]

– A suspect has been arrested in a weekend hit-and-run involving a 7-year-old in Santa Rosa. [ABC 7]

– Sen. Bernie Sanders raised $6 million in the first 24 hours since announcing his 2020 bid. [NYT]

– The East Bay Express discusses how progressives' "heads exploded" when Rep. Barbara Lee decided to endorse Kamala Harris for president. [EBX]

– Alaska Airlines is opening a swanky 8,500-square-foot airport lounge at SFO's Terminal 2 late next year. [SF Business Times]

– How local company Dolby Laboratories contributed to this year's Oscar nominees and ceremony (which is coming up on Sunday). [ABC 7]

– If you're flying to the East Coast anytime soon, expect to be early thanks to a powerful jet stream and strong tailwinds. [ABC 7]