By LISA MASCARO (AP Congressional Correspondent) WASHINGTON (AP) — Moments after Donald Trump pleaded not guilty to federal charges that he hoarded classified documents and then conspired to obstruct an investigation about it, the Republicans in Congress had his back. Speaker Kevin McCarthy dashed off a fundraising email decrying the “witch hunt” against the former president and urging donors to sign up and “stand with Trump.” Senate Republican leader Mitch McConnell steered clear of criticizing the former president, refusing to engage in questions about the unprecedented indictment. And at a public meeting in the Capitol basement, Rep.