Just two days until the South Carolina Republican primary, Donald Trump remains well ahead of Nikki Haley, who’s vowed to remain in the race for the GOP nomination. Meanwhile, the Alabama Supreme Court’s controversial ruling that frozen embryos are considered children is quickly becoming a political issue, and threatens GOP efforts to win over voters in November. Plus House Republicans turn their attention to the annual CPAC conference, even as a government shutdown could be just weeks away. Peter Baker, Carol Lee, Joyce Vance, Tom Winter, Zooey Zephyr, Mike Murphy, Robert Gibbs, and Simon Shuster break it down.