carry firearms on bases or on the recruiting stations. >> as far as store p front recruitment centers also used for the armor re. >> following the chattanooga attack marine corps veteran dakota meyer calling on america to arm the troops and put political correctness on the side. >> we need to give them the opportunity to be able to carry their own firearms. they tied their hants with rules and engagement are they going to do it over here, too. when are we going to stop worrying about hurting people's feelings and we don't want to say the same things? it's not about muslim or christian, it's about a belief in order to hurt other people and instill terrorism. it's a belief of this radical islam. when are we going to stand against it? when are we going to stop it instead of changing their way of life. we don't want to hurt their feelings. it's only a lone wolf. when is it going to stop? >> a u.s. marine issuing a facebook challenge to americans to teach president obama a lesson about respect. mike shepherd wants everyone across the country to lower their american flags to half staff until july 30th. he says it's because the white house has not lowered its own flag to honor the five s

carrie meyer: the union station operated until 1971. the last train left on may 2 and then it sat vacant for two years. and the union pacific gifted it to the city to become a museum. we made union station our home and now it is the durham museum. this exhibit focuses on the omaha livestock industry here in omaha. a very important industry for south omaha as a city, and then eventually for omaha as a whole. >> ♪ >> cattle marketing centers are strategically located, and omaha serves a large western area. it's holding pens have handled more than 100 million cattle since its founding. and here is our livestock train right on schedule. early morning arrival. carrie meyer: the livestock industry starts in the 1870's as a station, basically. a place for cattle to sort of get fed, have a feeding station before they had to a stockyard -- head to a stock are to be slaughtered. eventually, this turns into the stockyards as we know it. 1883 is the start of what we call union stockyards. and, so, that is the beginning of this industry here. we hav