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US Chamber launches tax reform ads in top Senate races

US Chamber launches tax reform ads in top Senate races
© Greg Nash

The U.S. Chamber of Commerce will launch new TV and digital ads in Arizona and Tennessee on Thursday, highlighting the Republican Senate candidates’ votes to pass the GOP tax law.

The new ads, which were shared first with The Hill, are the Chamber’s first foray into both Arizona and Tennessee, home to two competitive Senate races that Republicans are looking to defend in November.

Reps. Marsha BlackburnMarsha BlackburnTaylor Swift makes push for early voting in midterms Poll: GOP's Blackburn holds slim lead in Tennessee Senate race Democrats hold fading odds of winning Senate this November MORE (R-Tenn.) and Martha McSallyMartha Elizabeth McSallyThe Hill's Morning Report — Presented by the Coalition for Affordable Prescription Drugs — GOP faces ‘green wave’ in final stretch to the midterms Arpaio files libel suit against New York Times Election Countdown: Dems outraise GOP in final stretch | 2018 midterms already most expensive in history | What to watch in second Cruz-O'Rourke debate | Trump raises 0M for reelection | Why Dems fear Avenatti's approach MORE (R-Ariz.), who are running in top Senate races this cycle, both voted in favor of the GOP’s tax plan, which was signed into law late last year. Republicans are looking to protect — and try to expand — their 51-49 seat majority.

The Chamber has been running a number of ads this year that promote the tax cuts, which they believe could boost GOP chances in protecting their majorities.

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“Tennessee’s economy is thriving, and we can’t risk Washington liberals turning back the clock,” the narrator in the Tennessee ad says. “Congresswoman Marsha Blackburn fought to pass historic tax reform.”

Republicans are playing defense in Arizona's and Tennessee’s Senate races where two GOP senators are retiring.

Blackburn faces former Tennessee Gov. Phil Bredesen (D) in the race to replace retiring Sen. Bob CorkerRobert (Bob) Phillips CorkerCorker: Trump administration 'clamped down' on Saudi intel, canceled briefing GOP leaders hesitant to challenge Trump on Saudi Arabia Poll: GOP's Blackburn holds slim lead in Tennessee Senate race MORE (R-Tenn.). Meanwhile, McSally is running against Rep. Kyrsten Sinema (D-Ariz.) to succeed outgoing Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeOn The Money: Treasury official charged with leaking info on ex-Trump advisers | Trump to seek 5 percent budget cut from Cabinet members | Mnuchin to decide by Thursday on attending Saudi conference Mnuchin to decide by Thursday whether to attend Saudi conference GOP senator: Not 'appropriate' for Mnuchin to go to Saudi conference MORE (R-Ariz.).

They both face tough challenges from their Democratic opponents in traditionally red states. But recent polling shows the races trending more in Republicans’ favor.

The Chamber has been touting the benefits of the tax law in other states across the country with competitive House and Senate races.

The business-friendly group ran ads in nine House districts, many of which are top battlegrounds that Democrats are targeting in an effort to take back the House. Democrats need to flip 23 seats to regain the House majority.

The Chamber has also run similar spots in Missouri, Florida and Indiana, where Democratic Sens. Claire McCaskillClaire Conner McCaskillMcCaskill calls on GOP opponent to appoint special prosecutor to look into undercover video Dems go on offense against GOP lawsuit on pre-existing conditions Credit union group to spend .8 million for vulnerable Dem, GOP incumbents MORE (Mo.), Bill NelsonClarence (Bill) William NelsonGillum holds razor-thin lead in Florida race Senate panel wants Hyundai, Kia to answer over reported engine fires Election Countdown: Dems outraise GOP in final stretch | 2018 midterms already most expensive in history | What to watch in second Cruz-O'Rourke debate | Trump raises 0M for reelection | Why Dems fear Avenatti's approach MORE (Fla.) and Joe DonnellyJoseph (Joe) Simon DonnellyPoll: Dem Donnelly has 4-point lead in Indiana Senate race Election Countdown: O'Rourke goes on the attack | Takeaways from fiery second Texas Senate debate | Heitkamp apologizes for ad misidentifying abuse victims | Trump Jr. to rally for Manchin challenger | Rick Scott leaves trail to deal with hurricane damage Credit union group to spend .8 million for vulnerable Dem, GOP incumbents MORE (Ind.) are playing defense in states that President TrumpDonald John TrumpTrump renews attacks against Tester over VA nominee on eve of Montana rally Trump submits 2017 federal income tax returns Corker: Trump administration 'clamped down' on Saudi intel, canceled briefing MORE won in 2016.

Meanwhile, Democrats have been actively running against the tax law, arguing that it benefits wealthy individuals and corporations over middle-class families.

Updated at 6:47 p.m.