Charisma is a crucial component of a politician's appeal to voters. But there's more than one way to inspire confidence.
President Obama is heading to Fresno, California, tomorrow, in the midst of the state’s historic drought and a political fight over how to handle it.
Berkeley professor B. Lynn Ingram says the drought may be the most severe since the 1500s, based on research on tree rings. She says we may be entering a drier period that may last decades.