beautiful people on capitol hill? who could that be? he knows who he is. first, actress and singer katharine mcphee explains how a small gift can make a big difference for people in africa. here's today's "impact your world." >> hi wp i'm katharine mcphee. we can make an impact on malaria. i have a personal connection to west africa. i had the opportunity to build a preschool. the school master, wonderful woman there, she'd come down with ma lair wra. i had gotten together saying i would love to get to africa and see what we can do for her and all the people she worked so hard to help. every minute a child dies from malaria. it's something that doesn't need to happen. it's something that's curable, preventable. it's nothing we would ever have in the united states. but it's something that really is devastating to our lives. there's so much to be done that you can feel overwhelmed with what can i actually do? the truth of it is, a $10 net can save lives.