In filing, Wal-Mart aims to halt protests set for Black Friday

Posted: November 20, 2012 at 2:45 a.m.

For years, Wal-Mart has fended off repeated efforts by unions and their supporters to organize its workers. Now, a union is escalating its efforts, although several university professors said they see little chance it will succeed.

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Business, Pages 23 on 11/20/2012