brown: we examine the world of e-books after the justice department charged publishers and apple with price-fixing. woodruff: ray suarez talks to political editor christina bellantoni about six must- watch senate races this election year. brown: and we close with a profile of award-winning poet naomi shihab nye, whose family stories shape her work. the minute i could write when i was six years old i wanted to start writing little poems of my own. it seemed that telling a story helped us figure out who we were anyway, where we were in the world. brown: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: citi turns 200 this year. in that time, there have been some good days and some difficult ones. but through it all, we persevered. supporting some of the biggest ideas in modern history. so why should our anniversary matter to you? because for 200 years, we ve been helping ideas from ambition to achievement. and the nex