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Kevin McCarthy. Photo: Alex Wong/Getty Images

House Minority Leader Kevin McCarthy told Bloomberg News on Wednesday that Senate Republicans need to support President Trump's tariff threat against Mexico in order to give the White House a strong hand in negotiations, even if they're opposed to the proposal.

"End of the day we should support the president so we can get an agreement so we don't have tariffs. Them talking about not supporting him undercuts his ability to do that."

Why it matters: Most Republicans are fundamentally opposed to these tariffs, as became even clearer on Tuesday when senators warned the White House that the Mexico threat has little to no support from GOP lawmakers. McCarthy, in a roundabout way, is arguing that Republicans who raise their concerns will undermine negotiations with Mexico, which could ultimately hurt Trump's ability to strike an immigration deal and result in the very tariffs they are seeking to avoid.

What to watch: Mexico's foreign secretary will meet with Vice President Mike Pence and Secretary of State Mike Pompeo in Washington on Wednesday. If the tariffs go into effect next week, as Trump has threatened, Congress may pass a resolution of disapproval — which would require two-thirds support in the House and Senate to override a Trump veto.

Go deeper: Trump's Mexico tariffs could decimate the auto industry

Go deeper

Updated 12 hours ago - Technology

From Malcolm X to "Free Britney," new media shapes the justice system

Illustration: Shoshana Gordon/Axios

True crime documentaries, podcasts and social media campaigns are bringing new attention to real-world legal proceedings — and are often affecting the outcome.

Why it matters: New media platforms can instantly put a national spotlight on cases that have long been forgotten or buried under red tape.

Updated 14 hours ago - Health

The next big bottleneck in the global vaccination effort

Illustration: Rae Cook/Axios

The world still needs more coronavirus vaccines, but an additional bottleneck has emerged in many low-income countries: They need help getting shots in arms.

Why it matters: Increasing vaccination rates across the world is both a humanitarian necessity and the best way to prevent dangerous new variants from emerging, but it increasingly requires complex problem-solving.

Updated 15 hours ago - Health

COVID-19 Omicron variant cases identified in Europe, U.K.

People wearing masks walk in London on Nov. 25. Photo: Li Ying/Xinhua via Getty Images

Health officials in the United Kingdom, Italy and Germany announced on Saturday that they've detected the first known cases of the new COVID-19 Omicron variant.

Why it matters: The discoveries come as the world scrambles to respond to concerns over the new variant, discovered in South Africa earlier this week.