A spanking new national survey of registered voters out on Thursday shows embattled Joe Biden trailing each of the top three Republican presidential candidates, which is significant. Even more significant, former South Carolina Gov. Nikki Haley bested Biden by the largest margin of the three.While there's quite a bit to unpack in the Marquette Law School national survey, there are also fundamental election factors at play that tend to hold in all elections. We'll hit those factors along the way.Of consequence, the survey found Haley leading Biden, 55 percent to 45 percent, with former President Donald Trump topping the inept...