You know him as the host of Morning Edition from NPR. Now, Steve Inskeep is also the author of a new book looking at a long ago part of western American history. Our Morning Edition host George Prentice spoke with Inskeep recently about his book “ Imperfect Union: How Jessie and John Fremont Mapped the West, Invented Celebrity and Helped Cause the Civil War .” Eastern Idaho’s Fremont County is named for John Fremont.