>> our government is asking us as good citizens to refrain from traveling to foreign lands. >> okay. all you guys in vietnam, come on home. >> times were changing so quickly. and the '60s. and we didn't change them. >> we just reflected them. >> what are you doing? >> getting ready to go to college. >> cbs gave the smothers brothers that show because they were clean-cut folk satirists. they wore blazers. they could sing well. they were funny. >> mom liked you best. >> you lower your voice. >> mom liked you best. >> they told us what they thought we could do and what we should do and it was totally wrong. tommy said, i would like to do what is relevant. i'll be the first to go, but until then with mr. mcnamera ♪