On St. Patrick's Day, Tom Rowan will do the same thing he has done that day for the past 56 years: He'll make the Chicago River run green.
Rowan, a 75-year-old retired police officer, is the man behind the famous Windy City ritual. The city's St. Patrick's Day parade is world-renowned, primarily because of its unique tradition of dyeing the river green.
"The original Mayor Daley in the 1950s wanted to do something special, he wanted to dye the whole of Lake Michigan green. But it was just too...
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