Hickenlooper Up the Middle

The Coloradan won’t ban fossil fuels. Can he persuade Democrats?

In a Democratic Party newly enamored with socialism, a potential counterweight is John Hickenlooper, the former Colorado Governor, who announced Monday that he’s running for President. “We need dreamers in Washington,” Mr. Hickenlooper said in a campaign video pointedly stressing his pragmatic political credentials, “but we also need to get things done.”

Mr. Hickenlooper, age 67, has a degree in geology, and he first came to Colorado in the 1980s to work in the oil business. After being laid off, he cofounded a Denver brewpub—and...