How Did 4th Richest Woman Stay Under the Radar?

Sept. 17 (Bloomberg) -- For the past six years, Elaine Tettemer Marshall, the fourth-richest woman in the U.S., has avoided the spotlight that ordinarily accompanies great wealth.The 70-year-old Dallas resident controls almost 15 percent of Koch Industries. Matthew G. Miller reports on Bloomberg Television's "In The Loop." (Source: Bloomberg)