Source: United States & Canada – South China Morning PostPresident Joe Biden declared an emergency in California that will allow federal help for the Caldor fire, which has burned hundreds of structures and is moving toward Nevada.The fire took aim at Lake Tahoe for several days amid heavy winds. But that threat lessened as the fire moved in other directions. Officials say it remains highly dangerous, and thousands of weary firefighters are battling it on several fronts.Crews may get a break on Thursday as red flag conditions are expected to abate,…Read More