In his speech to the United Nations General Assembly, President Trump slammed the U.N. as irrelevant and called on European allies to adopt his crackdown on illegal immigration. And in a major shift, he signaled Ukraine should try to take back all its territory from Russia. NBC News’ Garrett Haake reports.

​In his speech to the United Nations General Assembly, President Trump slammed the U.N. as irrelevant and called on European allies to adopt his crackdown on illegal immigration. And in a major shift, he signaled Ukraine should try to take back all its territory from Russia. NBC News’ Garrett Haake reports.