THIS WEEK MARKED THE ANNIVERSARY OF THE FIRST "PHYSICAL" FIGHT ON THE FLOOR OF THE HOUSE OF REPRESENTATIVES IN 1798. ALEX TALKS WITH THE FORMER HOUSE HISTORIAN, RAYMOND SMOCK, ABOUT THE INCIDENT. 3:50 3. BEETLES: ALEX LOOKS FOR BEETLES WITH ENTOMOLOGIST MICHAEL IVY IN NORTHERN MONTANA. THE BUGS ARE VERY IMPORTANT TO THE ENVIRONMENT -- AND OFTEN DEMONSTRATE THE AMAZING ADAPTATIONS VARIOUS SPECIES MAKE AS THEY VIE FOR SURVIVAL .
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