An explosion ripped throughout the historic heart of Istanbul on Tuesday, scattering bodies at a major tourist destination. The suicide blast killed 10, most of whom were German visitors. Turkey's prime minister declared the Islamic State was responsible. Chief foreign…

As President Obama enters the last full year of his presidency, he'll have to contend with a sixth straight year of working with a Republican-led Congress over key conflict points, such as Obamacare, the war on Islamic terrorism, Guantanamo Bay,…