Facing increased scrutiny following the launch of Hillary Clinton's presidential campaign, the Clinton Foundation has acknowledged mistakes on its tax returns in recent years. In a blog post on Sunday, Clinton Foundation acting CEO Maura Pally said that the charity will likely refile forms for some years after completing an external review. "Yes, we made mistakes, as many organizations of our size do, but we are acting quickly to remedy them, and have taken steps to ensure they don't happen in the future," Pally wrote. She added, "We are committed to operating the Foundation responsibly and effectively to continue the...