More than two months after the ceasefire agreement between Israel and Hamas, humanitarian conditions in Gaza remain dire. The United Nations estimates that 1.5 million people lack shelter. Ali Rogin speaks with UNICEF's Jonathan Crickx about conditions on the ground in southern Gaza.

New York Times columnist David Brooks and Jonathan Capehart of MS NOW join Amna Nawaz to discuss the week in politics, including how President Trump's string of seeming disappointments this week is raising some doubts about his grip on the Republican Party and his ability to govern in his second term.

In our news wrap Saturday, Trump vowed to avenge the deaths of two U.S. soldiers and an American civilian interpreter ambushed in Syria, Belarus freed more than 100 prisoners after the U.S. said it would lift sanctions on the country's potash exports, Russian strikes across Ukraine left more than 1 million people without power, and comedy icon Dick Van Dyke celebrated his 100th birthday.

This year it might not be the Grinch who threatens to steal Christmas, but tariffs. According to an analysis by Lending Tree, if Trump's tariffs had been in place last year, they would have increased consumer costs by $28 billion -- about $130 per shopper. John Yang speaks with Nathan Gordon, president of online retailer Christmas Central, about the effect of tariffs on seasonal shopping.

For more than 40 years, Beverly and Dereck Joubert have lived with, photographed and filmed African wildlife. Their images bear witness not just to the majesty of life on the continent, but also the host of threats that confront both the animals and the wilderness. John Yang speaks with the Jouberts about their new book, "Wild Eye: A Life in Photographs," and their decades of work.