Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Watch Fortune Daily, our new video show that brings you inside the Fortune newsroom and the boardroom

Bernie Sanders hails Michigan result as ‘most extraordinary victory that I can think of in modern American politics’

Abdul El-Sayed, a former public health official who harnessed Democratic frustration with the party establishment, narrowly defeated Rep. Haley Stevens in Michigan’s U.S. Senate primary, setting up a crucial test for progressives in a key battleground state.

El-Sayed will face Republican Mike Rogers, a former congressman, in November in a race that will help determine control of the Senate. His first challenge will be unifying Democratic factions after a bitter primary that offered divergent visions for a party desperate for a path back to power.

The margin was extraordinarily close. El-Sayed walked off the stage at his Tuesday night election party without declaring victory, and the race was not called until early Wednesday, after nearly all ballots statewide had been counted. At the time The Associated Press declared him the winner, El-Sayed led Stevens by 14,893 votes — just under 1 percentage point — out of more than 1.5 million ballots counted, the most in recent state history.

The political significance of the result, however, extends well beyond the slim margin.

“Abdul’s victory was, in my opinion, the most extraordinary victory that I can think of in modern American politics,” said Sen. Bernie Sanders, a leader of the progressive movement who was an early supporter of El-Sayed’s candidacy.

El-Sayed,........

© Fortune