evidence: "In 2020, before I took office, the prior administration oversaw the largest increase in murders ever recorded," President Biden said in a written statement. "My administration got to work on day one to fix that." [...] But crime rates offer a great example of how contemporary Republican politics rejects the intuitive rules for a different model. To the extent that reality still has meaning, Biden has a compelling story to tell: Crime rates, most notably murder rates, spiked toward the end of his Republican predecessor’s term. Under the incumbent Democratic president’s leadership, Americans are now safer.