By JIM KUHNHENNAssociated Press WASHINGTON The Supreme Court's ruling on the constitutionality of President Barack Obama's health care overhaul is likely to shake the presidential election race in early summer. But the winners in the court will n… more »

BBC News Arizona's governor has signed into law a tough bill aimed to stem the flow of illegal migrants into the US border state. The BBC's Rajesh Mirchandani travelled to Arizona to test the mood among local residents and also Mexicans who work ther… more »