Victoria McGrane’s write-up of the MA Senate primary included a quote from Progressive Mass Issues Commmittee chair Jonathan Cohn:

Markey also benefited from the frustrated energy of young progressives who watched their chosen candidates, Sanders and Warren, lose the presidential primary this spring. The Markeyverse, as his young online backers call themselves, started taking off in early March, as the primaries ended and the pandemic shutdown began.

“Ed Markey became their cause,” said Jonathan Cohn, chairman of Progressive Massachusetts’ issues committee.