The NBA came down hard on Miami Heat owner Micky Arison on Monday, fining him $500,000, according to league sources, after he used his Twitter account as a sounding board about the lockout last Friday. The league did not issue an official announcement, but an NBA spokesman confirmed to ESPN.com that Arison had been fined. The $500,000 fine, first reported by Yahoo! Sports, is five times the amount other owners have previously been fined for public comments about the ongoing labor situation. Read more: http://espn.go.com/nba/truehoop/mia...0000-twitter-comments-labor-talks-sources-say
