and in our signature segment: >> pbs newshour weekend is made possible by: bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the john and helen glessner family trust-- supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, alison stewart. >> stewart: good evening and thanks for joining us. officials in oakland, california said earlier today that the death toll from this weekend's tragic warehouse fire is at least 30 people, and is expected to rise as they find more victims. several dozen people initially reported "missing" have been reunited with their families, but officials are asking relatives of the missing

." >> pbs newshour weekend is made possible by: bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the john and helen glessner family trust-- supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, alison stewart. >> stewart: good evening and thanks for joining us. tomorrow, an institution enshrined in the u.s. constitution-- the electoral college-- is expected to ratify donald j. trump's election as the 45th president of the united states. meeting in their separate states, 538 electors will cast their votes. only one of the 306 electors awarded to mister trump has declared publicly he won't vote for him, leav

. >> pbs newshour weekend is made possible by: bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, alison stewart. >> stewart: good evening, and thanks for joining us. widespread and intense reaction today to a "washington post" report that the c.i.a. in a secret assessment has determined covert russian hacking was in fact an attempt to help donald trump win the white house. a month before the presidential election, u.s. officials said they were confident that russia was behind the hacking of democratic party emails for the purpose of undermining the voting process, but it

. >> pbs newshour weekend is made possible by: bernard and irene schwartz. judy and josh weston. the cheryl and philip milstein family. the john and helen glessner family trust-- supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customized individual and group retirement products. that's why we're your retirement company. additional support has been provided by: and by the corporation for public broadcasting, and by contributions to your pbs station from viewers like you. thank you. from the tisch wnet studios at lincoln center in new york, hari sreenivasan. >> sreenivasan: good evening. thanks for joining us. there have been new arrests in this week's berlin christmas market truck attack that killed 12 people and injured 56 others. today, police in tunisia arrested the nephew of accused attacker anis amri and two other suspected militants. tunisia's interior ministry says amri's 18-year-old nephew had contact with amri through an encrypted messaging a

next on "pbs newshour weekend"" >> pbs newshour weekend is made possible by: bernard and irene schwartztein family. the john and helen glessner family trust-- supporting trustworthy journalism that informs and inspires. sue and edgar wachenheim, iii. barbara hope zuckerberg. corporate funding is provided by mutual of america-- designing customiznd

." >> pbs newshour weekend is made possible by: bernard and irene schwartz. judy and josh weston.l and philip milstein family. the john and helen glessner family trust-- supporting tr