the new ten. the president visits with world leaders at the g-8 summit in ireland, his wife the first lady and daughters are exploring their irish roots that date back to the 1600s. er erin mclaughlin, what are you learning about their genealogy search? reporter: it s a trip of history and culture. it s safe to say ireland and its heritage holds a special place in michelle obama s heart. the emerald isle is a kickoff to the obama family summer vacation, while the president was hard at work in belfast, northern island, first lady and her daughters and hundreds of children were treated to river dance in dublin. with all the dancing and singing and energy it is a perfect representation of ireland itself. reporter: the administration is mutual. it s no secret ireland seems to adore the obamas.