By the People tracks Obama's halting progress from long-odds candidate to front-runner in the 2008 presidential race. It's a roller-coaster ride that includes all the victories and upsets that were followed by millions in the media, seen from within the Obama campaign: from thrilling wins and disappointing losses in key states, to controversies stemming from Obama's associations with the Rev. Jeremiah Wright and domestic terrorist Bill Ayers; from the high of receiving his party's nomination over Sen. Hillary Rodham Clinton, to the low of losing his beloved grandmother the day before his final victory over Sen. John McCain on Election Day.