: we explore his and other candidates ideas for reforming the tax code, with economic writers robert kuttner and stephen moore. >> woodruff: then, "washington post" science reporter rob stein has the latest on the center for disease control's recommendation that boys and young men get the h.p.v. vaccine. >> brown: we have an update from libya, as moammar gadhafi, his son and a top aide are buried in secret. >> woodruff: margaret warner reports on the worsening flood in thailand's capital, bangkok. >> brown: special correspondent saul gonzalez has the story of one university's experiment in religious education: the nation's first multi-faith school of theology. >> sock of us are looking in a jewish direction. some of us are looking in a muslim direction. some are looking into n a christian direction and yet we're all looking in a god direction. >> woodruff: plus, different screens for different kids. we look at the "app gap" among the nation's children. that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the

. >> robert kuttner, thanks for joinings.t football for compares president obama to hitler, hank williams jr. is venting in a new song called "keep the change" just released on the web. listen to the words. ♪ this country sure the hell will go down the drain we know what we need ♪ we know who to blame ♪ ♪ united socialist states of america, how do you like that name ♪ >>> you can keep -- >> i'm keep the usa. you can keep the -- >> who took that out? the best part of the song. >> because we wanted you to sing it. ♪ i'll keep the usa, you can keep the change ♪ >> called espn and fox news in the song accusing them of twisting his words around. >>> first lady michelle obama. knop stranger to working out. hoping to set a guinness record on the south lawn of the white house. most people jumping, doing jumping jacks. that's a hula hoop. >> she's not going to win. i was going to say. if that's what she's doing. >> jumping jacks starts at 3:00 p.m. eastern. >> showing something else. >> exactly. >>> big ben is beginning to look like t