Why haven’t efforts to impeach President Trump gained Watergate-style momentum? The lack of energy has created a sense of bafflement and disappointment among some of the president’s most determined adversaries. But there are some simple reasons for it. Here are three:

1.) The facts are different. In Watergate, the underlying crime was a break-in at Democratic National Committee headquarters, perpetrated by burglars paid by President Richard Nixon’s reelection campaign. The scandal proceeded from there. In Trump-Russia, the underlying crime was the hacking of the DNC’s and John Podesta’s emails — a crime committed by Russians in Russia. Special counsel Robert Mueller, who indicted a number of Russians and Russian entities for their actions, spent two years trying to find conspiracy or coordination between the Russians and the Trump campaign. He failed.