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Photo: Alex Wong/Getty Images.

Sen. Tim Kaine (D-Va.) said Tuesday that he's secured the 51 Senate votes needed to pass a revised version of his war powers resolution, which would require President Trump to seek approval from Congress before taking further military action against Iran, per the AP.

Why it matters: The bipartisan resolution, which has the backing of Sens. Mike Lee (R-Utah), Rand Paul (R-Ky.), Susan Collins (R-Maine) and Todd Young (R-Ind.), illustrates the degree to which the Trump administration's actions against Iran have tested the president's Republican allies.

The big picture: The House already passed a separate war powers resolution last week, but its version did not have the force of law. Republicans who support curbing Trump's military powers criticized House Democrats for not putting forth a binding resolution that would go to the president's desk for a signature.

  • "This is a statement of the Congress of the United States," Speaker Pelosi said at the time. "I will not have that statement diminished by having the president veto it or not."
  • The Senate resolution would likely be passed by the House and vetoed by the president. It's unlikely that either chamber would have the two-thirds majority necessary to override the veto.

What to watch: The Senate could vote as soon as next week on the measure, according to Kaine.

Go deeper: House passes war powers resolution condemning military action against Iran

Go deeper

Financial fallout from the Texas deep freeze

Illustration: Annelise Capossela/Axios

Texas has thawed out after an Arctic freeze last month threw the state into a power crisis. But the financial turmoil from power grid shock is just starting to take shape.

Why it matters: In total, electricity companies are billions of dollars short on the post-storm payments they now owe to the state's grid operator. There's no clear path for how they will pay — something being watched closely across the country as extreme weather events become more common.

U.S. Chamber decides against political ban for Capitol insurrection

A pedestrian passes the U.S. Chamber of Commerce headquarters as it undergoes renovation. Photo: Andrew Harrer/Bloomberg via Getty Images

The U.S. Chamber of Commerce revealed Friday it won't withhold political donations from lawmakers who simply voted against certifying the presidential election results and instead decide on a case-by-case basis.

Why it matters: The Chamber is the marquee entity representing businesses and their interests in Washington. Its memo, obtained exclusively by Axios, could set the tone for businesses debating how to handle their candidate and PAC spending following the Jan. 6 Capitol attack.

CDC lets child migrant shelters fill to 100% despite COVID concern

Intensive care tents at overflow shelter in Carrizo Springs, Texas. Photo: Sergio Flores/The Washington Post via Getty Images

The Centers for Disease Control is allowing shelters handling child migrants who cross the U.S.-Mexico border to expand to full capacity, abandoning a requirement that they stay near 50% to inhibit the spread of the coronavirus, Axios has learned.

Why it matters: The fact that the country's premier health advisory agency is permitting a change in COVID-19 protocols indicates the scale of the immigration crisis. A draft memo obtained by Axios conceded "facilities should plan for and expect to have COVID-19 cases."