First lady Michelle Obama gives a thumbs up to students during Topeka Public Schools Senior Recognition Program in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama is introduced during Topeka Public Schools Senior Recognition Program in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama applauds students during Topeka Public Schools Senior Recognition Program in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama speaks during Topeka Public Schools Senior Recognition Program in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama smiles after being introduced during Topeka Public Schools Senior Recognition Program in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama leads a discussion during a roundtable with high school students at Monroe School in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama leads the discussion during a roundtable with high school students at Monroe School in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama leads the discussion during a roundtable with high school students at Monroe School in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)
First lady Michelle Obama leads the discussion during a roundtable with high school students at Monroe School in Topeka, Kan., Friday, May 16, 2014. (AP Photo/Orlin Wagner)