President George Washington is displayed on a U.S. $1 bill. LM Otero/AP hide caption
LM Otero/AP
How much money would it take for you to feel financially secure? Pulitzer Prize-winning journalist Mona Chalabi spent five years following 10 Americans, from those living paycheck to paycheck to those earning hundreds of thousands of dollars a year, in an effort to answer that question. Her new book,








