thank u forbringing us up to speed. t jillcker and heather. thanks for your time. that will do it for us. as always find more of the coverage kqed.org s room.ws thank you for joining us. captioning sponsored by wnet >> sreenivasan: on this ed, ion for sundptember 23: plans emerge for the supreme court nonee and the woman accusing him of sexual assault to testify this we. in our signature segment, the ethical question facing architects who design prisons. and new discoveries about plastic pollution on a microscopic level. next on pbs newshour weekend. >> pbs newshour weekend is made possible by: bernard and irene schwartz. sue and edgar wachenheim iii. nd philip milstein family. dr. p. roy vagelos and diana t. vagelos. the j.p.b. foundation. rosalind p. walter. barbara hope zuckerberg. corporate funding is provided dey mutual of america--