The 2012 presidential campaign's second big event of the season — the New Hampshire Republican presidential primary — is over and former Massachusetts Gov. Mitt Romney has been declared the winner. We started live blogging at 6 p.m. ET and continued through the evening as results came in and the candidates reacted to the news. Scroll down to see how the story developed. And please come back to join us on Jan. 21, when Republicans vote in South Carolina — the next big contest on the GOP calendar.