“Frankly, we wouldn’t be able to afford 420,000 square feet in downtown San Francisco,” said Keith Miao, the founder of Birdstop, a drone start-up in Detroit.

From left, Gov. Kathy Hochul of New York, Gov. Wes Moore of Maryland, and Gov. Tim Walz of Minnesota speaking to reporters after the governors’ meeting with President Biden on Wednesday.

Virtually all of the ambitious Democrats whose names who have surfaced as possible Biden alternatives have thrown their political support behind the president.