With polls showing Donald Trump gaining ground on Hillary Clinton in the final stretch of the presidential race, Clinton is using all tactical weapons at her disposal to make him an also-ran. Her weapon of choice yesterday was ethics. Clinton boldly assailed Trump’s lack thereof in his debt-laden business operations, his still-unreleased tax returns, his lawsuit-plagued Trump University that went defunct six years ago, and the Trump Foundation’s violation of federal laws prohibiting charities from making political contributions.