Keep an eye open for the band in Chicago today - they're dropping by radio stations WXRT, Q101, and WTMX for live studio interviews ahead of tomorrows opening night of the North American tour.
Last night U2 arrived at Soldier Field where their space age 360; tour production has touched down following the European shows.
As Dublin welcomed President Obama to receive the freedom of the city last week, here's how U2 honoured the incoming President at the Washington DC Inauguration Concert in 2009.
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