It's MORNING EDITION, from NPR News. Good morning. I'm Steve Inskeep.
DAVID GREENE, HOST:
And I'm David Greene. Let's get an update now on one of this year's major policy debates. There is an immigration bill under consideration. The law, if passed, has the potential to be a major success story for President Obama and for the bipartisan group of lawmakers who drafted it. Opponents of the bill have major concerns about how it treats people who came to the U.S. illegally, and also about how much the law would cost.
Three witnesses billed as whistle-blowers appeared before a House committee Wednesday to challenge the Obama administration's explanation of what transpired on Sept. 11, 2012, as the U.S. consulate in Benghazi, Libya, was attacked and the ambassador and three others killed.