WASHINGTON -- That quaking beneath your feet is from shock waves in Washington where tipping points are merging with other tipping points to create the Mother of All Tipping Points. Not only did Donald Trump Jr. meet with a Russian attorney who, he was told, had damaging information about Hillary Clinton, but there are emails indicating that he knew in advance that the opposition research was part of the Kremlin’s effort to help Donald Trump become president. If that’s not collusion, it seems at least “collusioney,” a newly minted term surely destined to erase all memory of Monday’s exhaustively used “nothing-burger.”