Louisiana Attorney General Liz Murrill on snowstorms across the Southern coast, states suing to block President Trump's birthright citizenship executive order and GOP attorneys general suing to block illegal migrants from the census count.

Trump's executive order interprets the law in his favor, but with lawsuits already pending, legal experts have been skeptical he'll succeed.

One of the many executive orders President Donald Trump signed on Monday included one to end birthright citizenship. Here's what to know about it and why lawsuits have already been filed.