McConnell urges opposition to effort to constrain Trump's Iran war powers

Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellKentucky state official says foreign adversaries 'routinely' scan election systems Don't let 'welfare for all' advocates derail administration's food stamp program reforms Whistleblower retaliation: Stop confusing unlawful attacks with politics MORE (R-Ky.) is urging senators to reject efforts to rein in President TrumpDonald John TrumpFed saw risks to US economy fading before coronavirus spread quickened Pro-Trump super PAC hits Biden with new Spanish-language ad in Nevada Britain announces immigration policy barring unskilled migrants MORE's ability to take military action against Iran without congressional approval.

The Senate is expected to vote this week on a resolution from Sen. Tim KaineTimothy (Tim) Michael KaineThe Hill's Morning Report — AG Barr, GOP senators try to rein Trump in Overnight Defense: Senate votes to rein in Trump war powers on Iran | Pentagon shifting .8B to border wall | US, Taliban negotiate seven-day 'reduction in violence' Democratic senators ask FDA to ban device used to shock disabled students MORE (D-Va.) that would require Trump to end any military hostilities against Tehran within 30 days. 

"I will strongly oppose our colleague's effort and urge the Senate to defeat it," McConnell said from the Senate floor. 

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McConnell argued that the Kaine resolution is "blunt and clumsy" and would "severely limit the U.S. military's operational flexibility to defend itself against threats posed by Iran."

"The ill-conceived potshots at presidential authorities in the wake of a strike that succeeded using the blunt instrument of a war powers resolution is no substitute at all for answering these broader questions" on foreign policy strategy, McConnell said. 

The Senate is expected to start debate on the war powers resolution on Wednesday.  

Kaine has the four GOP votes necessary for the resolution to pass initially, with Sens. Susan CollinsSusan Margaret CollinsSusan Collins in statistical tie with Democratic challenger: poll Ernst endorses bipartisan Grassley-Wyden bill to lower drug prices Senate braces for fight over impeachment whistleblower testimony MORE (R-Maine), Mike LeeMichael (Mike) Shumway LeeThe Hill's Morning Report — AG Barr, GOP senators try to rein Trump in Overnight Defense: Senate votes to rein in Trump war powers on Iran | Pentagon shifting .8B to border wall | US, Taliban negotiate seven-day 'reduction in violence' The 8 Republicans who voted to curb Trump's Iran war powers MORE (R-Utah), Rand PaulRandal (Rand) Howard PaulSenate braces for fight over impeachment whistleblower testimony Pelosi names first-ever House whistleblower ombudsman director The Hill's Morning Report — AG Barr, GOP senators try to rein Trump in MORE (R-Ky.) and Todd YoungTodd Christopher YoungThe Hill's Morning Report — AG Barr, GOP senators try to rein Trump in Overnight Defense: Senate votes to rein in Trump war powers on Iran | Pentagon shifting .8B to border wall | US, Taliban negotiate seven-day 'reduction in violence' The 8 Republicans who voted to curb Trump's Iran war powers MORE (R-Ind.) expected to support it.  

But both Kaine and Sen. John ThuneJohn Randolph ThuneMcConnell tees up votes on two abortion bills Senate votes to rein in Trump's power to attack Iran As many as eight GOP senators expected to vote to curb Trump's power to attack Iran MORE (R-S.D.), the chief Senate Republican vote counter, suggested Democrats could pick up additional GOP votes, depending on the final language of the resolution. 

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"I think there's a universe of Republicans depending on how it's drafted that might be inclined to be for some version of that," Thune said. "It's not a big universe of members, but it's probably more than the traditional four." 

Because Democrats are using the War Powers Act, they are able to force a vote on the resolution limiting Trump despite opposition from McConnell and most Republicans. 

The House passed a concurrent resolution earlier this year, but that measure does not go to Trump's desk and traditionally is not legally binding.  

The Senate resolution, which still needs to pass the House, is all but guaranteed to spark a veto from Trump. A veto override attempt would fall short because Democrats would need to pick up 20 GOP votes.