America's political system: Who should check, who should balance?

North Carolina’s governor has called it an “ominous” and “partisan” power grab.Before the Democratic governor took office earlier this year, the Republican-led legislature stripped him of an array of powers.There, the executive branch – headed by successive president who have liberally used executive action to get things done and presided over an expanding range of federal agencies – has steadily eroded the power of Congress.