Stephen B. Morton/AP
Vice President Mike Pence and his mother Nancy Pence Fritsch, right, wave while walking in the St. Patrick's Day parade Saturday, March 17, 2018, in Savannah, Ga. Crowds behind barricades across the street cheered and chanted "U-S-A" as Pence waved and gave a thumbs up sign. There were also a few protesters who followed Pence throughout the parade. (AP Photo/Stephen B. Morton)
Alan Warren/AP
Isaac Glenn, left, and Melody Stiff, both 2, get a ride in a wagon during the 28th annual Our Lady of Lourdes Daycare St. Patrick's Day Parade in Owensboro, Ky., on Friday, March 16, 2018. (Alan Warren/The Messenger-Inquirer via AP)
James Foster/AP
Stacey Peterson and Kevin McGuire take a selfie in front of the green Chicago River to celebrate St. Patrick's Day, Saturday, March 17th, 2018. The Chicago River has been dyed a bright shade of green, kicking off the cityâs St. Patrickâs Day festivities. Thousands of people lined the riverfront downtown Chicago to see the dyeing, a tradition for the holiday that dates to 1962. (James Foster/Chicago Sun-Times via AP)
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HOUNSLOW, ENGLAND - MARCH 17: Prince William, Duke Of Cambridge, Colonel of the Irish Guards and Catherine, Duchess of Cambridge attend the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2018 in Hounslow, England. (Photo by Andrew Parsons - WPA Pool/Getty Images)
WPA Pool/Getty Images
HOUNSLOW, ENGLAND - MARCH 17: Catherine, Duchess of Cambridge attaches a sprig of shamrock to the regimental mascot, the Irish wolfhound 'Donal' during the annual Irish Guards St Patrick's Day Parade at Cavalry Barracks on March 17, 2018 in Hounslow, England. (Photo by Andrew Parsons - WPA Pool/Getty Images)
