Republicans take control of the House in January, and GOP Leader Kevin McCarthy wants to become the next speaker. CNN's Melanie Zanona explains why the math isn't working out so far, and how he's trying to change that. As he scrambles to lock down the votes for his speakership, McCarthy issued his strongest stance yet on the Biden administration's immigration policies and border security leadership, while the White House pushed back. To learn more about how CNN protects listener privacy, visit cnn.com/privacy