they're going to need the market to help them into retirement. >> sreenivasan: all right, roben farzad, the host of "full disclosure," thanks so much. >> my pleasure. >> sreenivasan: and now to our signature segment. election day is, of course, just three days away, and it's still unclear which party will end up in control of the united states senate. that might depend on what happens here in louisiana, where most polls show the democrat incumbent running slightly behind her republican challenger. will senator mary landrieu's ties to president obama help bring her down? or, like endangered democrats in arkansas, colorado and alaska, will her prominent family name help her retain her seat? newshour special correspondent jeff greenfield traveled here recently to examine louisiana's senate race and to explore how american politics became a family business. >> reporter: it is a very different place. its terrain. its architecture. its food. its music. how it celebrates. how it mourns. but for all that is unique about louisiana, its u.s. senate race is strikingly similar to contests from one