Former Virginia Sen. Jim Webb, who is running for president, speaks at the Urbandale Democrats' Flag Day celebration on June 14 in Urbandale, Iowa. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images

"Who, me? Run?" Would-be presidential candidates are ditching "testing the waters" and "exploratory committees" to hold onto unlimited and undisclosed cash for longer. LA Johnson/NPR hide caption

itoggle caption LA Johnson/NPR