Democrats hope the DNC extends Harris' winning streak, but mass Israel protests could ruin the vibes

Just weeks ago, Democrats were dreading their convention in Chicago. Now, Vice President Kamala Harris has them downright joyful.

Harris' last-minute campaign is hitting its stride heading into the Democratic National Convention, erasing former President Donald Trump's lead across almost every swing state.

"Even I thought she'd be an underdog, just less of an underdog than Biden would have been," Nate Silver, the founder of the polling-aggregation site 538, recently told Business Insider. "Now I think you'd probably rather be in her position."