Sports leagues bet on gambling legislation that may never come

The Supreme Court
The Supreme Court after a recent decision on sports betting. Photo: Win McNamee/Getty Images

Professional sports leagues like the NBA and NFL are asking for sweeping federal laws on sports betting, but things may not play out in their favor.

Big picture: Leagues want to ensure they get a percentage of the action via "integrity fees," but some states have already decided not to include them in their proposed policies.