Kim Strassel explains why Joe Sestak's attempt to demonize Pat Toomey as the Congressman from Wall Street is failing.

Something significant is happening on the electoral battlefield, and it has an "Inc." by its name. Many candidates running as Republicans could as easily be sitting for a business profile. Twenty months of Democratic business-bashing has not turned the electorate against entrepreneurs. Quite the opposite. This election is highlighting a political turn, not unlike that of the late 1970s, in which voters are looking to free-market, pro-growth candidates to turn back government.