>>4058523, >>4058530 More 'concrete' found on Twitter.

It's definitely a democratic dog whistle. Not sure for what though…

“Secretary Carson owes it to these families to present a concrete plan for how he will make this better, and how he’ll make sure nothing like this ever happens again,” said Sen. Chris Murphy, D-Conn.

https://newsone.com/3836824/ben-carson-hud-public-housing/