Understanding attorney-client privilege with Donald Trump Jr and Ken "Popehat" White

The latest stupidospheric controversy in Donald Trump's America is Donald Jr's hard-to-parse claims of attorney-client privilege; Junior told Congress to go fuck themselves when they asked him to testify under oath about a meeting he had with his father about Russian interference in the 2016 elections, saying he didn't have to answer them because his lawyer was present and thus the conversation was privileged. (more")