Nine people were wounded in the attack, and local investigators are still verifying the claim from the Islamic State. The attacker was shot dead by an off-duty police officer.
The union says that it looks for presidential candidates who are tough on crime and who advocate for officer safety and fair treatment as public employees.
How prayer meetings on Capitol Hill inspire fellowship and foster bipartisan lawmaking, though some argue it is too much religion under the rotunda.
President Obama took steps toward normalization of US-Cuba relations, but Donald Trump gave Florida voters a different message.
Neither Gary Johnson nor Jill Stein reached the 15 percent polling threshold needed to qualify for the first presidential debate. It's a blow for the three in five Americans who hoped to see a third-party candidate on stage.
As the GOP becomes whiter, older, and more religious, Democrats become more diverse, younger, and less religious. The next president faces a daunting challenge bridging that gap.