(CNN) - A majority of voters say they've heard enough from Sarah Palin, according to a new national poll.
The NBC/Wall Street Journal/Annenberg Public Policy Center of the University of Pennsylvania survey indicates that 54% of voters say they've heard enough from Palin and would prefer that the former Alaska governor and 2008 Republican vice presidential candidate be less outspoken in political discourse. That includes nearly two-thirds of Democrats, a majority of independents, and nearly four in 10 Republicans.
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The poll's release came just a couple of days after Palin made national headlines by calling for the impeachment of President Barack Obama.
Palin, a Fox News Channel contributor, remains popular and influential with tea party activists and other grassroots conservatives.
Sen. John McCain, who tapped Palin as his running mate in the 2008 presidential election, said while he "respect(s) always Sarah Palin's views," her comments might hurt Republican chances of taking control of the Senate in 2014.
Asked by reporters on Thursday if its a mistake for the GOP to pursue impeachment, McCain said "yes."
"Because the real answer is to get control of the United States Senate. Then we can enact legislation which will curb exactly what Sarah Palin and others are saying they want to impeach him for. And you are never going to get 67 votes in the United States Senate either," he said.
McCain isn't the only high profile Republican dismissing Palin's call for Obama's impeachment. On Wednesday, House Speaker John Boehner also split with the former Alaska governor on the issue.
What other former politicians would voters like to keep quiet?
Fifty-one percent of those questioned said they've heard enough from former Democratic presidential candidate and civil rights leader Jesse Jackson. Forty-five percent said the same thing about former Vice President Dick Cheney, who's been a vocal critic of President Barack Obama.
The poll indicates that 43% said they've heard enough from former House speaker and 2012 GOP presidential candidate Newt Gingrich, a co-host of CNN's "Crossfire," with four in 10 saying the same thing about former Vice President Al Gore, and 32% saying they've heard enough from Gore's old boss Bill Clinton.
The NBC News/Annenberg poll was conducted June 30-July 3 and July 5-7, with 1,137 registered voters nationwide questioned by telephone. The survey's overall sampling error is plus or minus 3.4 percentage points.
Who's missing from the list? Make your nominations in the comments below.
CNN Political Editor Paul Steinhauser and CNN Capitol Hill Reporter Lisa Desjardins contributed to this report