The most important thing we learned from the Mueller testimony today came not from Mueller or the Democrats, but from the Republicans. They made it clear. They are not at all concerned about Russian interference in the 2016 election. Nor are they concerned about probable interference in the 2020 election. Why. They know the Russians will do everything they can to help Republicans, not just Trump, win. Republicans are primarily interested in winning and they don't care how they win or if they win because a foreign power and enemy of our country helps them do so with dirty tricks.
That's it folks. That's what we learned. If the fact that the Republican Party has now officially joined hands with Russia and who knows what other enemies of the U.S. to cheat to win doesn't bother you, it should. This is how a democracy is destroyed.