Poll: Voters trust Hillary Clinton more than GOP lawmakers on Benghazi

A new poll finds Hillary ClintonHillary Rodham ClintonClinton pledges broadband access for all households by 2020 Dem rep: Benghazi report all about hurting Clinton Benghazi panel criticizes Clinton's actions in new 800-page report MORE more trusted than congressional Republicans over the Benghazi, Libya, controversy, as GOP lawmakers continue to probe the deadly attack on the U.S. Consulate.

Democratic firm Public Policy Polling found that 49 percent of respondents trust former Secretary of State Clinton, while 39 percent trust congressional Republicans more on the issue.

The survey was conducted from May 10-12, at the end of a week during which congressional Republicans held hearings and hammered the administration’s response to the terrorist attack, which left four Americans dead.

Sen. Lindsey GrahamLindsey GrahamDefense contingency misuse threatens national security Gun-control supporters plan next steps versus NRA Bipartisan gun measure survives test vote MORE (R-S.C.) this week suggested Clinton be subpoenaed to testify on the attack, and Rep. Darrell Issa (R-Calif.), chairman of the House Oversight Committee, said that responsibility for the attacks lies, if not with Clinton, than with "somebody close" to her.

Many Republicans see the Benghazi attack as a possible early line of offense with which to hammer Clinton ahead of her possible run for president in 2016. And two of her potential Republican opponents — Sens. Marco RubioMarco RubioThe Trail 2016: Warren takes VP batting practice Abortion ruling roils race for the White House, Senate US, Mexico have mutual ambassadors for first time in over a year MORE (R-Fla.) and Rand PaulRand PaulTrump flexes new digital muscle Republicans question Trump's trip to Scotland Hate TV customer service? So does your senator MORE (R-Ky.) — penned op-eds criticizing the administration's response last week.

Paul was particularly forceful in his op-ed, writing that: "The new evidence we have today — and that continues to mount — suggests that at the very least, Mrs. Clinton should never hold high office again."

But the new poll indicates the issue is not yet catching on with voters. A majority, by a 56-38 split said passing immigration reform was more important than investigating Benghazi. And a majority said passing a bill that requires background checks for gun purchases should be a priority over Benghazi by 52-43 percent.

Sixty-five percent of respondents said they didn't think Benghazi was the biggest political scandal in American history.

And despite GOP attacks, more than half of respondents still view Clinton favorably, by 52-44 percent. More than half of respondents, though, view congressional Republicans unfavorably, at 36-57.

The survey was conducted among 576 voters nationwide and has a 4-point margin of error.

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