President Trump thinks it is a sign of strength to send in troops to deal with protesters in Los Angeles. To that end, he has federalized a portion of the California National Guard and mobilized nearby Marines to support Immigration and Customs Enforcement as it confronts large protests in opposition to its efforts to arrest and deport undocumented immigrant laborers in the city. Trump wanted to do something like this in his first term, during the summer that sealed his fate as a failed...