“It seems like Republicans and Democrats are intractable,” said Mark Updegrove, a presidential historian and chairman of the Lyndon Baines Johnson Foundation. “They are both adhering to their own versions of reality, whether they’re based in truth or not.” [snip] The biggest known unknown for both parties may be how the ongoing impeachment proceedings will be viewed by Americans one year from now. [snip] Updegrove, the presidential historian, said the question a year from now will be whether that matters. “If not, what will matter to the American people as a whole?” he asked. “Is there anything?”