(CNN) - Think big - really big - and you may understand the stakes in an upcoming Supreme Court case that could have a profound impact on nearly every American business with employees.
At issue is whether the justices should allow certification of the largest class-action employment lawsuit in U.S. history, a long-standing dispute against mega-corporation Wal-Mart Stores Inc. over alleged gender bias in pay and promotions. Arguments in the case are Tuesday morning and ruling can be expected by late June.
CNN Senior Legal Analyst Jeffrey Toobin talks to Christine Romans about the potential implications of the suit and what is expected to happen in court Tuesday.