This week Carly Fiorina, Ben Carson and Mike Huckabee formally entered the race for the Republican nomination, bringing the official field of GOP candidates to six.
Hillary Clinton said she backs a pathway to citizenship for undocumented immigrants, and Scott Walker criticized it as "a full embrace of amnesty."
Meanwhile, Ted Cruz and Marco Rubio both voted for Congress to have a say on any White House nuclear deal with Iran, despite their reservations about that deal.
Here & Now's Jeremy Hobson and Meghna Chakrabarti speak with Kay Henderson of Radio Iowa and Paul Steinhauser, political director of NH1, for this week's look at how the 2016 race is shaping up.
This segment aired on May 8, 2015.