In the ongoing war to boost the federal minimum wage, the skirmishes have been getting larger and louder, yet success seems as far away as ever.

The latest round of protests Thursday targeted Wal-Mart, with organizers turning out crowds of varying sizes in 15 cities across the country demanding the world’s largest retailer pay all employees at least $25,000 a year and stop what they claim is retaliation against strikers. Two former Wal-Mart workers and one current employee were arrested in New York outside the Manhattan office of investment banker Christopher Williams, a member of the Wal-Mart board of directors.

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