Dennis is massive, spanning more than 3000 miles in width from eastern Canada to Scandinavia. Source

Malcolm Turnbull, a political conservative who served as Australia’s prime minister up until August of 2018, was bounced out of office by the right-wing of his own party largely over his support for cutting carbon emissions. Source

Three mono-track riders triggered a large avalanche Saturday in which three people where buried, but only one victim managed to dig out of the slide. Source

The Trump administration announced more deployment of ICE officers in “sanctuary cities” to target illegal immigration. Meanwhile, Democratic 2020 candidates are preparing for the upcoming Nevada caucuses, ready to discuss major issues such as immigration, health care and gun control. Ed O’Keefe reports. Source

Stephen Sondheim tells 60 Minutes if he could do it again, he would rewrite certain lyrics from “West Side Story” — including a line from “Tonight.” Source

Newly released video captured Mexico’s El Popo volcano in action. The violent explosion shot rock, lava and ash nearly a mile into the sky. The eruption also triggered an earthquake. Source

A former top medical official with the U.S. Olympic and Paralympic committee is making damning allegations about how the organization handles mental health issues. In his first TV interview, Dr. William Moreau alleges that he was let go last May, in part because of his complaints about the issue. Moreau has filed a lawsuit claiming he was “wrongfully terminated.” Dr. Jon LaPook reports. Source

Mississippi is bracing for potentially catastrophic flooding from the rain-swollen Pearl River. Governor Tate Reeves has declared a state of emergency urging people who live around the capital Jackson to follow mandatory evacuations. Meg Oliver reports. Source

The iconic 72-year-old singer is in the midst of a three-year-long farewell tour. Source

A winter storm is bringing in strong winds and heavy rain impacting travel in areas like London’s Heathrow Airport. CBS News meteorologist Jeff Berardelli has the latest. Source