Senators: Toward a Furious Finish

In Senate races in Missouri and Virginia, every candidate seems to have an Achilles' heel—or two. But as the campaigns enter their final days, the candidates are still trying to step up the pace. The polls are showing their races too tight to call. Meanwhile, in important House battles in Illinois and California, Republican candidates are receiving White House aid, and Democratic opponents are trying hard to capitalize on voter concerns about the economy.

Close encounter

Just as Missouri lies at the statistical center of the U.S. population, first-term Senator John Danforth, 46, is...