larry reed heads the foundation for economic education. of countries to spread subversive literature? >> that's true. back in the 80s before the fault of berlin wall and the evil empire as president reagan termed it, i visited a number of the countries and made contact with people who were active in the underground, anti-communist resistance elements in places like poland. john: tell the blinking light story. >> okay. in 1986, the marshal law declared in december of 81 was still in effect. every night i stayed in a different home trying to stay ahead of the regime. every home belonged to somebody active in the resistance. john: in any home, they were taking a big risk? >> yeah, they were required by law to report a visiting foreigner. none of them had done so. i was told a couple was very special who was going to host my visit. they had run underground radio for solidarity in the first six months of martial law. they were detected and arrested after six months of that activity. he was given four years in prison. she was given three. there

. >> oakland's longest serving city councilman larry reed said oakland's crime rates are dropping. he and the head of visit oakland say it's time for trump to see what the city has to offer in person. >> we've got beautiful weather, a fabulous view of san francisco. we've got an amazing culinary scene, lots of art and culture. mr. trump, stop shooting from the hip, get your facts straight and visit the areas and you'll appreciate oakland like everyone else appreciates oakland. >> reporter: congresswoman barbara lee said he can spew his hate all day long. those of us from oakland know how great our town is. folks say they don't know if donald trump has visited oakland. but they'd be happy to give him a tour. reporting live from oakland, i'm jodi hernandez, nbc bay area news. >> i'm sure they would. thank you very much, jodi. >> the bay area feeling the bern. bernie sanders rallied supporters. just an hour ago, bernie sanders made a surprise stop in san francisco. our nbc bay area chopper was overhead as he spoke and greeted hundreds much supporters. in less than 90 minutes, he'll ta