Hummingbird nest halts upgrades on Bay Area bridge

RICHMOND, Calif. (AP) — The discovery of a hummingbird’s nest with an egg inside is stalling upgrades on a San Francisco Bay Area bridge. KCBS reports (http://cbsloc.al/2kLxRfF ) Tuesday that the backhoes are waiting and the safety barriers are ready. But work on a key part of the $70 million Richmond-San Rafael Bridge’s upgrade project […]