Can Kasich regain lost momentum?

WASHINGTON — These have not been easy days for Republican presidential candidate John Kasich. A spate of fresh polls shows he is fading not only in New Hampshire but also in his own state of Ohio. He was relatively invisible in the last Republican presidential debate and seems unable to break past the dominant presence of New York billionaire Donald Trump, retired Baltimore neurosurgeon Ben Carson and former Hewlett-Packard CEO Carly Fiorina.