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Mailbag: Trump’s Announcement Speech

This week, a reader sent us a letter about Republican presidential hopeful Donald Trump’s controversial remarks about Mexican immigrants coming to the United States.

Polar Bears and Extreme Weather

SciCheck writer Dave Levitan of FactCheck.org was interviewed by Ira Flatow for a segment on Science Friday about the 10th International Conference on Climate Change.

Obama’s Numbers (July 2015 Update)

As we do every three months, we offer here a fresh update of selected statistical indicators of what has happened since Barack Obama first took the oath of office in January 2009.

Was Hillary Clinton the Original ‘Birther’?

Two Republican presidential candidates claim the so-called “birther” movement originated with the Hillary Clinton campaign in 2008. Some of her ardent supporters pushed the theory, but there is no evidence Clinton or her campaign had anything to do with it.

Fiorina Shortchanges Marijuana Research

In questioning the value of medicinal marijuana, Carly Fiorina said “we don’t understand how it interacts with other drugs.” In fact, there is information about marijuana’s interactions with other medications.