<p>Washington -- As California embarks upon the most politically tumultuous week in memory, the state's most popular politician is cloistered a thousand miles away taking in a seminar on U.S. security policy.</p>
<p>Sen. Dianne Feinstein, who first eyed the governorship more than a decade ago, has remained remarkably detached from the raw electoral maneuverings in her home state, even as a growing number of elected officials call on her to place her name on the recall ballot.</p>