They are not done going after Trump for not condemning David Dukes endorsment, But I haven't heard a lot said about this

Shortly after Donald Trump declined to condemn David Duke and the Ku Klux Klan during an interview on CNN's "State Of The Union" on 28 February 2016 (the Republican presidential candidate would later blame it on a faulty earpiece) a photograph purportedly showing Hillary Clinton with former Senator Robert Byrd of West Virginia, a former Ku Klux Klan member, was widely circulated online:

The photograph was posted by numerous web sites along with articles arguing that the news media were being hypocritical in their coverage of Trump's purported connections to a white supremacist hate group, while making no mention of Hillary Clinton. The Daily Caller also published a video of Clinton praising Byrd's service in Congress:

Despite mounting criticism for Donald Trump’s failure to disavow former Ku Klux Klan grand wizard David Duke’s support, Democratic front-runner Hillary Clinton once heaped praise for late Klan leader Sen. Robert Byrd.
In a video uploaded to the State Department’s official YouTube page on June 28, 2010, Clinton commemorated late Sen. Byrd by saying, “Today our country has lost a true American original, my friend and mentor Robert C. Byrd.