Jennifer Rubin: Trump is responsible for the descent into thuggery

In the wake of the attempted assassinations — isn’t that what you call sending explosive devices to public figures? — of former President Barack Obama, former Vice President Joe Biden, former Secretary of State Hillary Clinton, former Attorney General Eric Holder, Rep. Maxine Waters, D-Calif. (whom President Donald Trump casts as the embodiment of the Democratic Party), and George Soros, a Jewish billionaire and progressive donor whom Trump recently accused of paying women to p