Trump officially announced new tariffs on imported steel and aluminum yesterday, with industry workers standing on as he signed the proclamation.  As many have reported, the tariffs are billed as a measure to protect American manufacturing workers, but the steel and aluminum industries don’t employ many, and other manufacturing industries could strain under higher prices for foreign steel and aluminum.

The Democratic Party is hurt by right to work laws, a piece in the Times by public policy scholars and an economist concludes.  The authors took a quantitative look at how vote trends in adjoining counties across state lines diverge after one state passes a right to work law.  After an anti-union law, the makeup of a state legislature also changes, with fewer legislators supporting policies like a higher minimum wage.

The NLRB’s joint employment controversy continues.  Bloomberg reports a last ditch-effort by Hy-Brand Industrial Contractors, the company at the center of the NLRB’s most recent but now-vacated joint employment ruling.  Hy-Brand will ask the Board to re-examine its decision to vacate, alleging that several members improperly shut Member William Emanuel out of the decisionmaking process days before the initial ruling.  The NLRB vacated the initial ruling after the Board’s Inspector general found that Emanuel should have recused himself from participation in the case because of a conflict of interest.

The end of the West Virginia teachers’ strike brought stories about the strike’s origin and meaning.  A piece in the Times describes why rank-and-file members decided to break with union leadership to continue striking and argues that labor turns to activism when unions are weakened.  Buzzfeed looked into the pivotal role Facebook played in the organizing; the Times echoed this in a broader story about the planning preceding the strike.  Finally, in the Times and DissentSarah Jaffe puts the strike in the context of the storied and militant labor history of West Virginia.