Republican presidential candidate Ron Paul is interviewed on 'This Week.'

Politico - There's a duty to halt bloodshed, she says.

The Republican party official in charge of counting Nevada caucus ballots in Las Vegas says the process is expected to take all night.

Republican presidential front-runner Mitt Romney cruised to a decisive victory in the Nevada caucuses Saturday night, notching a second straight triumph over a field of rivals suddenly struggling to keep pace.

Romney's Nevada speech rallies his supporters against the president.