"That's not a justice system. It's an injustice system". In a sweeping call for reform - President Obama says too many Black Americans are locked up in jail.
Ready for Hillary? It seems America is so very, very ready. For the most important thing about a political journey is a story. And Hillary Clinton certainly has a story.
The first black woman Republican in Congress, the 18-year-old legislator and a man being investigated for fraud: Channel 4 News looks behind the headlines of the US midterms.
Democrat and Republican candidates across the United States have been trading insults in the most expensive midterm campaign ever. We look at six of the most close-fought contests.
Bored with your dreary al-desko sandwich? As the government pledges to make school lunches healthier, what kind of choices are we making for our office lunch? And how could we do better?
They have been called state sponsors of terrorism - but now the United States is considering working together with Iran, as both countries try to stop Iraq disintegrating into chaos.
The untimely death at the weekend of actor Philip Seymour Hoffman has drawn attention to the unprecedented rise in the use of heroin across the United States.
The economy has never been better - but his approval ratings have never been lower. As Barack Obama prepares for his State of the Union address tonight, what can he hope to achieve?
In charge of America's biggest city, with a budget of £45bn, New York's new mayor Bill de Blasio is less than a month into his job. So how is his fight against inequality going so far?