American , who make up 12 percent of Chicago population , prepare to celebrate . A political-roast host hopes for a call from President Emerald Isle . Obama ancestors are remembered coast to coast , even in the desert . Traditional step dancing hits U.S. before the river turns green .
Irish Americans , who make up 12 percent of U.S. population , prepare to celebrate . A political-roast host hopes for a call from President Obama . Emerald Isle ancestors are remembered coast to coast , even in the desert . Traditional step dancing hits Chicago before the river turns green .