Inside the El-Sayed-Stevens Michigan Senate primary that could be barometer for the Democratic Party

Democratic voters in Michigan are casting ballots Tuesday in a hotly-contested Senate primary between progressive candidate Abdul El-Sayed and moderate candidate Rep. Haley Stevens. CBS News' Ed O'Keefe, Aaron Navarro and Anthony Salvanto have the latest on the race.

Democratic voters in Michigan are casting ballots Tuesday in a hotly-contested Senate primary between progressive candidate Abdul El-Sayed and moderate candidate Rep. Haley Stevens. CBS News' Ed O'Keefe, Aaron Navarro and Anthony Salvanto have the latest on the race.