. >> reporter: we met serafina galante on the campus of san diego state. is it fun to be back? >> yeah, i like this. >> reporter: she got her master's degree in her late 50s here. 19 years later she still owes almost $40,000 in student loans. more than 3 million people over 60 have student debt. some went back to school late. others paid for kids and grandkids. >> i was very confident that i would pay it back in, you know, due time. >> reporter: what's not working? >> we grow older and then we get more senior. that's reality of life. >> how is your well-being? how is your -- how are you doing? >> reporter: galante works as a family counselor. she has to work. the hole she's in keeps getting deeper. she showed us what went wrong. >> so there's the payment amount, the applied to principal -- >> which is zero. look at, that zero, zero, zero, zero, zero, zero, zero. it's almost all interest. >> right. >> raise the left hand. >> reporter: galante had to pause making payments four times for various life problems. but the bigger issue? she glder. e -time. her monthly payment, $176, is

serafina quispe was so heavily anaesthetized that she was initially thought to be dead.erafina: my family was told that someone in the mortuary had been resuscitated and was calling for them. i was dead, but i was fortunate enough to come back to life. reporter: that t terrible experience took place here, at the alberto lorena hospital in cusco, a place meant to be dedicated to preserving life. we meet a nurse who's willing to talk to us about what happened. libia pinares says the sterilizations were carried out systematically on the orders of the peruvian government. libia: it was a directive from the health ministry. so hospitals like us were required to carry out the procedures. reporter: the directive, applied here in cusco and in many other towns with a majority indigenous population. libia tells us it was a campaign directed against the indigenous quechuas. libia: we had to fulfil a monthly quota. otherwisise we'd have been fir. it was so extrtreme that nurss were even getting themselves sterilized to meet the quota. reporter: who gave the orders, we ask. libia: th

here's what he said about serafina power back in 1998. >> article iii of impeachment against richard nixon, the article was based on the idea that richard nixon as president failed to comply with subpoenas of congress. congress was going through its oversight function to provide oversight of the president. when asked for information richard nixon chose not to comply, and the congress back in that time said you're taking impeachment away from us. you're becoming the judge and jury. it is not your job to tell us what we need. it is your job to comply with the things we need to provide oversight over you. the day richard nixon failed to answer that subpoena is the day that he was subject to impeachment because he took the power from congress. >> we have carrie cordero here with us to sort out all the legal implications of this. it's not the first time, carrie, that lindsey graham has contradicted himself as he tries to defend president trump, right, but why is it so significant that he's telling donald trump jr. to ignore a subpoena? >> well, first of all, because the subpoena that's be