Chaotic 2020 primary battle raises prospect of brokered convention: Could it really happen?

With less than six weeks to go until the Iowa caucuses kick off the presidential nominating calendar, there’s no clear front-runner in the Democratic race.

And that’s fueling speculation America could see something not witnessed in more than a half-century – a convention that goes beyond a first ballot, known in the history books as a brokered or contested convention.

“It could happen,” said the Democratic National Committee’s Kathy Sullivan.

The longtime DNC Rules Committee member from New Hampshire added that “it would be exciting to see it go past...