Is Dianne Feinstein losing her grip on California Senate seat?

She is one of California’s most recognizable politicians, an icon in the Democratic Party, and the second longest-serving U.S. senator in Golden State history. But a new poll is raising the volume of one of the most intriguing questions in political circles from here to Capitol Hill: Is Dianne Feinstein losing her ironclad grip on her Senate seat?
A new poll found just 41 percent of likely California voters back the 84-year-old, five-term incumbent in her bid for re-election, six months be