The 74Million is an education-focused website, which explains the arguments in the case of Rebecca Friedrichs vs. California Teachers Association. The high-stakes challenge to mandatory union dues could dramatically alter the political reach and financial muscle of public sector unions across the country if Friedrichs and the other plaintiffs prevail. Here’s what non-lawyers need to know ahead of the arguments. If the Abood precedent is overturned, unions will have to totally revamp their strategies. Some experts say unions are likely to turn to state legislatures to write new laws that will help them enroll members, like giving them set-aside time to make their case. Unions’ substantial lobbying and campaign expenditures also will take a hit, though the exact impact depends on how man