Photo: Scott Eisen/Getty Images

Elizabeth Warren, in a BuzzFeed News column published Wednesday, laid out what she'd seek to accomplish in her first 100 days on climate change.

Why it matters: Presidents have to make tough choices about where to deploy political capital, so Warren is signaling that this would be a priority.

The big picture: Warren vowed a day-one executive order "rolling back all of Donald Trump’s disastrous pro-fossil fuels policies," as well as banning new fossil fuel leases on public lands and waters.

  • Another move would be introducing legislation to enable a much faster transition away from fossil fuels.

Reality check: Despite the "100-day" vow, much of this would be a splashy move to undertake what would be time-consuming executive policy and push long-shot legislation.

  • Trump administration regulations can't be nixed via executive order. Instead, such an order would be a starting gun for agencies to get to work.

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10 mins ago - World

Trump announces new Iran sanctions in effort to maintain international arms embargo

Photo: Anna Moneymaker-Pool/Getty Images

President Trump signed an executive order on Monday that would impose sanctions on any person or entity that contributes to the supply, sale, or transfer of conventional arms to or from Iran or is engaged in providing training and financial support related to those weapons.

Why it matters: The executive order is the first step by the Trump administration to put teeth into its claim that international sanctions on Iran were restored over the weekend, one month after the U.S. initiated the "snapback" process under a United Nations Security Council resolution.

Exclusive: Conservative group launches $2M Supreme Court ad

Screengrab of ad, courtesy of Judicial Crisis Network.

The Judicial Crisis Network is launching a $2.2 million ad campaign to put pressure on vulnerable Senate Republicans in battleground states to support a quick confirmation when President Trump announces his Supreme Court nominee.

The big picture: "Follow Precedent," previewed by Axios, is one of the first national and cable television ads to run following Justice Ruth Bader Ginsberg's death Friday.

Updated 26 mins ago - Politics & Policy

CDC says it mistakenly published guidance about COVID-19 spreading through air

CDC Director Robert Redfield. Photo: Anna Moneymaker/Pool/Getty Images

The CDC has removed new guidance that acknowledged airborne transmission of the coronavirus, posting in a note on its website that the guidance was only a draft and had been published in error.

Why it matters: The initial update — which was little noticed until a CNN story was published Sunday — had come months after scientists pushed for the agency to acknowledge the disease was transmissible through the air. The CDC previously said that close person-to-person contact was the bigger concern, and the language has been changed back to erase the warning about airborne transmission.