if this guy keeps strangling my dad, i'm going to hit this guy. so if it would've lasted a couple more seconds, i would've ditto, los angeles. >> tucker: that was the most inspiring tape i've seen in a while. thank you for that.at well, we told you repeatedly this year that thanks to homeless epidemic across the country, particularly in the west, medieval diseases like typhus are making a comeback. for instance, in los angeles. >> typhus is popping up in l.a. skid row and area where homelessness sprawls across 50 city blocks. an infectious disease eradicated in the 1800s that festers in filth and bites of fleas and rats is back. the city allows hundreds of homeless people to set up shacks on the sidewalk and live there forever.haiv >> tucker: that was fox's hillary vaughn. we are happy to have year on the set tonight with an update on that. >> everyone knows rats are dirty