Former White House counsel Don McGahn has agreed to testify in a private congressional hearing about the Russia investigation, ending a long court battle sparked by former President Donald Trump's effort to stonewall lawmakers. McGahn, a key figure in special counsel Robert Mueller's investigation, will answer questions from the House Judiciary Committee behind closed doors, but a transcript will be released about a week later, according to federal court papers filed Wednesday. House Judiciary Committee Chairman Rep. Jerry Nadler (D-NY) hailed the breakthrough agreement with the Justice Depa...