CBS has obtained internal McCain-Palin campaign emails that show a lot of infighting between Sarah Palin and campaign staffers.

Internal campaign e-mails exchanged three weeks before Election Day offer a rare look at just how frustrated then Republican vice presidential nominee Sarah Palin had become with the manner in which top McCain campaign aides were handling her candidacy. The e-mails, obtained exclusively, also highlight the power struggle and thinly veiled acrimony that pervaded the relationship between Palin and the campaign’s chief strategist, Steve Schmidt.

The episode in question began when an investigative report published on the left-leaning Web site Salon.com raised questions about Palin’s relationship with members of the Alaska Independence Party (AIP) when she was mayor of Wasilla. The AIP’s platform calls for a vote giving Alaskans the option to secede from the United States. It had already been widely known that Todd Palin was a registered member of the AIP from 1995 to 2002 and that Governor Palin had taped a recorded greeting at the party’s 2008 convention.

On the morning of Oct. 15, Palin was aboard her campaign jet and en route to New Hampshire when she happened to catch a disparaging CNN segment that touted the Salon.com story, complete with a provocative graphic at the bottom of the screen reading, “THE PALINS AND THE FRINGE.”

While shaking hands after a rally later that afternoon, someone on the rope line shouted a remark at Palin about the AIP.

The comment set her off. She worried that the campaign was not sufficiently mitigating the issue of her alleged connection to the party, which despite a platform that harkens more to the Civil War than the 21st century, continued to play a serious role in Alaska politics.

Palin blasted out an e-mail with the subject line “Todd” to Schmidt, campaign manager Rick Davis and senior advisor Nicolle Wallace, copying her husband on the message (all of the e-mails are reprinted below as written).

“Pls get in front of that ridiculous issue that’s cropped up all day today - two reporters, a protestor’s sign, and many shout-outs all claiming Todd’s involvement in an anti-American political party,” Palin wrote. “It’s bull, and I don’t want to have to keep reacting to it … Pls have statement given on this so it’s put to bed.”

Her reference to a single protestor’s sign and “many shout-outs” was indicative of Palin’s occasional tendency to take anecdotal evidence of a minor problem and extrapolate it into something far more menacing. The final of the three presidential debates was just hours away, which would mark the unveiling of the soon-to-be canonized Joe The Plumber.

UPDATE at 7/3/09 12:20:26 pm:

Meanwhile, Palin appears to be positioning for a run at the presidency: Palin won’t run for re-election in Alaska, source says.

WASHINGTON (CNN) — Alaska Gov. Sarah Palin is expected to announce Friday that she will not seek a second term, a Republican source close to Palin tells CNN. …

As the 2008 Republican vice presidential nominee, Palin is considered one of the front-runners for the GOP nomination in 2012. Her decision not to seek another term as governor is sure to stoke speculation that Palin is seriously eyeing a run for the White House.

UPDATE at 7/3/09 12:23:24 pm:

Todd Purdum has a lengthy (and not very complimentary) piece on Sarah Palin in Vanity Fair: It Came from Wasilla.