Week In Politics: Hagel's Rough Day     This is WEEKEND EDITION
from NPR News. I'm Rachel Martin.  There are some big items on
the country's political agenda: the confirmation of the next
secretary of defense, changes to gun laws perhaps, and an
overhaul of the immigration system. And this past week saw some
movement in Washington on all three issues.  To talk about the
week's political news, we are joined by NPR national political
correspondent Mara Liasson. Good morning, Mara.  MARA LIASSON,
BYLINE: Good morning, Rachel.  MARTIN: OK. Let's start with
Chuck Hagel. He is a former senator, a Republican, and he's the
president's pick for secretary of defense. Hagel went up to
Capitol Hill this past week for his confirmation hearing and he
had a bit of a tough time. Right?  LIASSON: He did have a rough
hearing]. He really got a bloody nose. There was only one
senator, Carl Levin - the chairman of the Armed Services
Committee - who said he helped his cause. He clearly stumbled on
a lot of answers. He seemed to no