Welcome to the President's inbox. I'm Jim Lindsay, the Mary and David Boyes

distinguished senior fellow in U.S. foreign policy at the Council on Foreign Relations.

This week's topic is Confronting the China Challenge.

With me to discuss the geopolitical rivalry between China and the United States, its impact on U.S. interests, and how the United States should respond is Dmitri Elperovich.

Dmitri is the co-founder and chairman of Silverado Policy Accelerator,

a non-profit geopolitical think tank. An expert on cybersecurity, he is the co-founder and former chief technology officer of Crowdstrike Inc., one of the world's largest cybersecurity firms.

He has served as a special advisor to the Department

of Defense, to the Department of Homeland Security, and to the Cybersecurity and Infrastructure

Security Agency. He is the author of World on the Brink, How America Can Be China, in the Race

for the 21st Century, which was published last year.

Dimitri, thank you for joining me on the presence inbox.

It's a great pleasure to be with you.

Let me congratulate you on the terrific reviews.

World on a brink has gotten.

I saw several reviews, which used the word important and must read.

So again, congrats.

Thank you.

I would probably be committing a podcast malpractice, given your expertise, on cybersecurity,

if I didn't ask you about so-called Signalgate, which began with senior Trump administration

officials using an encrypted app to discuss plans

for attacking Houthi targets in Yemen, but I guess has grown to a broader concern about

the use of ordinary commercial software by Trump administration officials to communicate to one another. So before we talk about

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