Obama has nominated Harvard physicist John Holdren, a firm believer in manmade global warming, to be the Director of the Office of Science & Technology (the President's new "Science Advisor"). Newsweek's Sharon Begley recently gushed that Holdren’s appointment represents "an unflinching commitment to evidence-based policy-making."

Let's hope so. Because Holdren is on the record for making the environmental case for zero immigration. In 1973, Holdren published a paper that argued that the U.S. population of 210 million was already dangerously too high.

Wouldn't it be amusing (and effective) if House Republicans would push immigration reform by saying: "According to President Obama's Science Advisor ..."