Labor groups, which have been allies of President Obama, are now stepping up their efforts to thwart White House plans for passing foreign trade deals on a "fast track" through Congress.
This week, Wisconsin joined two dozen other states with laws saying workers can't be forced to join labor unions to keep a job. But as more states move to weaken unions, the unions are fighting back.
Wisconsin Republicans are fast-tracking a "right to work" bill to Gov. Scott Walker. The law aims to weaken private sector unions by letting employees opt out of paying dues.
Scott Walker now says he will support a type of law that he told voters would not happen on his watch. The new bill would ban private sector employee union dues, but not those of other union workers.
Most union members won't benefit from a higher minimum wage because they already earn far more than that. With membership declining, some union leaders fear collective bargaining is dead.
Unions don't like any of the 2016 GOP presidential prospects so far. But organized labor's loathing for Wisconsin Gov. Scott Walker runs especially deep.
Some drivers are on strike at the ports of LA and Long Beach, and shipping companies are in negotiations with dockworkers over a new contract. Analysts say a full-blown strike would hurt the economy.