From Abigail "Nabby" Adams to Chelsea Clinton, George Washington Adams to John F. Kennedy, Jr., the children of America's presidents have both suffered and triumphed under the watchful eyes of their powerful fathers and the glare of the ever-changing public. Whether they perished under the pressure like Andrew Johnson, upheld controversial views like Amy Carter, or carried their father's torch right back to the White House like George W. Bush, all presidential children grew up having to share their fathers with the whole of their fellow countrymen -- and, in too many instances, spent the rest...