and on our making sense page this tax day, paul solman and his team have posted a graphic showing the first family's income, taxes, and charitable giving. all that and more is on our web site, newshour.pbs.org. judy? >> woodruff: and that's the newshour for tonight. on tuesday, we'll look at arguments in a climate change case at the supreme court. i'm judy woodruff. >> ifill: and i'm gwen ifill. we'll see you online, and again here tomorrow evening. thank you, and good night. major funding for the pbs newshour has been provided by: >> oil companies have changed my country. >> oil companies can make a difference. >> we have the chance to build the economy. >> create jobs, keep people healthy, and improve schools. >> ...and our communities. >> in angola chevron helps train engineers, teachers and farmers, launch child's programs. it's not just good business. >> i'm hopeful about my country's future. >> it's my country's future. >> pacific life-- the power to help you succeed. >> and by bnsf railway. >> the william and flora hewlett foundation, working to solve social and environmental p