wall, whatever you want to call it, might work and might be essential to keep people from sneaking into the united states? >> we have barriers on the southern border at different places. we do use different types of border security. we're not -- that's not what the president is talking about. he's talking about building a wall, originally wanted it from coast to coast and wanted his beautiful wall. it had nothing to do with security. certainly, you need barriers. and we support barriers. >> the president claims he could -- if you guys continue to resist what he wants, he could simply declare a national emergency in order to build a wall and not require any congressional approval. is that, first of all, from your perspective, legal? is it okay if the president were to do so? >> no, it's not legal. yesterday i took the oath to support the constitution of the united states. for my third term in the senate. and quite frankly, there are three branches of government. the president cannot abolish the judiciary and legislative