US decision to pull out of the Paris agreement is bad news for both the US and rest of the world.

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Washington: First ladies are often defined by the causes they champion, but they also play a vital role the public rarely sees, says Stacy Cordery, an expert on first families and a professor of history at Iowa State University.

Washington: Style, not substance, accounts for Donald Trump’s US Republican presidential nomination, according to a psychological analysis from the University of British Columbia.

Washington: Hillary Clinton is beginning to pull away from Donald Trump in the presidential race, according to the latest George Washington University Battleground Poll. 

Evanston: What you tweet says a lot about your politics and who you are going to vote for in this highly volatile US presidential election, according to TweetCast, an online tool developed by Northwestern University computer scientists.