going on here. the president tweeted over the weekend he's willing to shut down the government if he doesn't get the money for the wall and some big-time immigration reforms. in the process, he may force republican leaders, that's his own party, and candidates into a fight they don't want to have, particularly with these midterm looming. but we know it is an issue that has been at the top of the president's agenda since he launched his campaign. something he made clear again during his weekly address. >> we must enforce the rules against visa fraud, illegal overstay, illegal entry and other immigration violations and crimes, and crimes they are, believe me, crimes they are. >> the president is calling for several things. he wants at least billions more in funding for a border wall. he wants to end the policy of catch and release, which lets asylum seekers live in the united states until their cases are heard. and he wants to change the legal immigration system, ending the