Russian President Vladimir Putin said he agrees in principle with a U.S. proposal for a 30-day ceasefire in Ukraine, but that the terms need to be worked out, and he emphasized that it should pave the way to lasting peace. Winters across the U.S. have warmed by an average of four degrees due to climate change, with the coldest regions seeing the fastest rise — posing new challenges for the maple syrup industry. The Norwegian Ski Federation has suspended five jumpers, two coaches and the team’s equipment manager amid a cheating scandal that involved making their suits more aerodynamic.