Three years ago, the Republican establishment piled scorn on the presidential candidacy of Ron Paul.

Today, he is in a statistical tie with President Obama in 2012 polling. His son, an ophthalmologist who has never run for elective office, is well ahead of not only the GOP's handpicked candidate for Senate in Kentucky but also both Democratic contenders -- all statewide officeholders.

What happened? Did America suddenly develop an insatiable appetite for 74-year-old, cranky congressmen from Texas? Is the gold standard catching on?

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