YES/LEANING YES
Senate (23) (14 Democrats, 9 Republicans)
Barbara Boxer (D-Calif.) — Remarks at Tuesday's hearing indicate she will vote yes. Boxer voted against the Iraq War.
Richard Burr (R-N.C.) — Supports resolution, according to the newsobserver.com.
Ben Cardin (D-Md.) — Leaning yes.
Bob Casey (D-Pa.) — Said Saturday that it's in the U.S. interest to respond to most recent chemical attack.
Saxby Chambliss (R-Ga.) — Said Saturday a "red line" was crossed a long time ago, and the U.S. "must respond."
Chris Coons (D-Del.) — Said on MSNBC he's "inclined" to support the president but made clear that he is not a firm yes.
Bob Corker (R-Tenn.) — Remarks suggest he will vote yes.
Dick Durbin (D-Ill.) — Voted in favor of resolution in committee.
Dianne Feinstein (D-Calif.) — Said before Obama's request for congressional authorization that the world could not let such a heinous attack pass without meaningful response.
Jeff Flake (R-Ariz.) — Voted in favor of resolution in committee.
Lindsey Graham (R-S.C.) — Working closely with the White House on Syria.
Kay Hagan (D-N.C.) — Said chemical attack requires "a strong response that will prevent this from happening again."
Johnny Isakson (R-Ga.) — Said he supports military action.
Mike Johanns (R-Neb.)
Tim Kaine (D-Va.) — Voted in favor of resolution in committee.
Mark Kirk (R-Ill.) — On Facebook, said he'd support "a narrow authorization for a missile strike targeting those responsible for using chemical weapons."
Patrick Leahy (D-Vt.) — Judiciary Committee chairman voted against the war in Iraq.
Carl Levin (D-Mich.) — Armed Services Committee chairman says he'll back resolution.
Robert Menendez (D-N.J.) — Foreign Relations panel chairman is working on the measure.
John McCain (R-Ariz.) — Voted in favor of resolution in committee.
Bill Nelson (D-Fla.) — Has called on the president to act before Congress votes.
Harry Reid (D-Nev.) — Senate majority leader backs the president.
Jeanne Shaheen (D-N.H.) — Voted in favor of resolution in committee.
YES/LEANING YES
House (24) (15 Democrats, 9 Republicans)
John Boehner (R-Ohio) — Speaker to support military action in big boost for Obama.
Eric Cantor (R-Va.) — Boehner's second in command also backs strike.
Joaquín Castro (D-Texas) — Says he is open to idea of strikes but wants to review evidence.
Gerry Connolly (D-Va.) — Tweeted Monday that the evidence of a chemical attack is strong. He is working with Rep. Chris Van Hollen (D-Md.) on a resolution.
Tom Cotton (R-Ark.) — Senate candidate co-wrote an op-ed with Rep. Mike Pompeo (R-Kan.) that argues for a "yes" vote.
Ted Deutch (D-Fla.) — Said on Twitter that he stands behind Obama's call for a "targeted and limited response."
Eliot Engel (D-N.Y.) — The top Democrat on the Foreign Affairs Committee backs the president.
Bill Foster (D-Ill.) — Leaning yes.
Steny Hoyer (D-Md.) — Second-ranking House Dem tweeted Friday that he agreed with the White House that the use of chemical weapons by Syria was unacceptable.
Pete King (R-N.Y.) — His office says King supports a Syria authorization.
Adam Kinzinger (R-Ill.) — Says he's amazed colleagues want to "paralyze ourselves into inaction."
Jim Langevin (D-R.I.) — Backs limited strike.
Sandy Levin (D-Mich.) — Has publicly backed the president.
Luke Messer (R-Ind.) — At House hearing on Sept. 4, said if he had to vote today, he'd vote yes.
Jim Moran (D-Va.) — In a release, Moran said, "Now it is up to one of the most divisive, least productive Congresses in history to authorize an intervention and protect the credibility and viability of a U.S. response to Assad's horrific crimes against humanity."
Nancy Pelosi (D-Calif.) — House minority leader will be a crucial player on resolution.
Mike Pompeo (R-Kan.) — Co-wrote an op-ed in The Washington Post arguing for U.S. intervention.
Mike Rogers (R-Mich.) — Intelligence panel chairman predicts resolution will pass Congress.
Ileana Ros-Lehtinen (R-Fla.) — Former head of the Foreign Affairs Committee is leaning yes.
Jan Schakowsky (D-Ill.) — Told journalist Lynn Sweet of the Chicago Sun-Times she's "gettable."
Brad Sherman (D-Calif.) — Said the red line is "America's red line."
Chris Van Hollen (D-Md.) — Has floated a new resolution that is much narrower than Obama's.
Juan Vargas (D-Calif.) — Supports the president.
Debbie Wasserman Schultz (D-Fla.) — Democratic National Committee chairwoman said on CNN that the "world cannot let such a heinous attack pass without a meaningful response."