It should come as no shock that Republicans in Congress would like to see the power of labor further diminished. The same is true of governors and state legislatures in red and purple states such as Wisconsin and Indiana. But now conservative courts have joined the fray.

Just this past week, the National Labor Relations Board was put in legal limbo -- with the possibility that more than 300 of its decisions over the last year could be nullified -- as a result of a federal appeals court ruling in the nation's capital that President Obama's recess appointments to the Board were invalid.
As Harvard law professor Benjamin Sachs points out in a recent article in the Columbia Law Review, the formal legal equality announced in Citizens United masks a fundamental inequality -- or "asymmetry", as he calls it -- between unions and corporations when it comes to raising political funds. While unions are prohibited by law from spending employees' dues on politics if the employees object, corporations are free to spend their assets on politics even if individual shareholders object.
Roy Ulrich: The Judicial Attack on Labor