Going by objective standards of reason and fairness, Al Sharpton is not to blame for the assassination of two New York City cops over the weekend. Nor are New York Mayor Bill de Blasio, U.S. Attorney General Eric Holder, President Obama or any of the protesters and activists they supported, encouraged and allied themselves with. Going by what we know, the only person to blame is the man police identified as the killer, Ismaaiyl Brinsley. This is the standard I've upheld in this space for years, when one madman after another has killed and maimed in the name of one...