Across a nation that is already in the grips of a rise in violent crime, murders are going unsolved at a historic pace, a CBS News investigation has found. A review of FBI statistics shows that the murder clearance rate — the share of cases each year that are solved, meaning police make an arrest or close the case due to other reasons — has fallen to its lowest point in more than half a century. “It’s... 

American billionaire Donald Trump has strongly criticized President Barack Obama for his handling of the Ebola crisis, questioning his mental state. In a tweet on Thursday, the New York businessman said that there is “something seriously wrong with President Obama’s mental health.” Trump also called Obama a “psycho” for refusing to restrict commercial flights from Ebola-stricken...