They lure the industry with incentives, while cracking down on adult content.
The Democrat's qualifications, not race, sealed his victory, African-Americans say.
The next president is expected to name at least one new justice to the closely divided court.
California and Massachusetts have the edge, but at least half of US states have entered the race.
House vote seen as big defeat for freshman Governor Patrick.
His large margins of victory in Tuesday's contests put Clinton on the ropes.
He won more states; she won more big states and a few more delegates. Battle to last through March at least, analysts say.