A Gravis Marketing poll released on July 31st confirms that Donald Trump has become the face of the Republican Party. Sure, party insiders and pundits are still trying to distance themselves from Trump’s toxic rhetoric, but much to their chagrin, Republican voters are embracing Trump’s politics of derision and division. The Gravis Marketing poll found Trump surging to a huge lead in Iowa. Trump polled at 31 percent in the GOP field, followed by Wisconsin Governor Scott Walker at 15 percent, and former Florida Governor Jeb Bush at 10 percent. Several other Republican candidates were mired in the single digits....