Five Best Ideas of the Day: October 24

1. Iran’s insidious control of Hezbollah and Russia’s operations inside Ukraine call for a new U.S. strategy to counter unconventional warfare.

By Robert A. Newson in Defense One

2. Criminalizing organ donor compensation endangers lives and fuels an unregulated black market.

By Sigrid Fry-Revere and David Donadio in the New Republic

3. Utility rights-of-way — think power lines and pipelines — can become flourishing wildlife habitats.

By Richard Conniff in Yale Environment 360

4. A unique combination of government support and a strong entrepreneur culture has made D.C. a hub for startups.

By Dena Levitz in 1776 DC

5. For the nations of the South Caucasus, the fate of Ukraine means choosing between Russia and the west comes at a high price.

By Maxim Suchkov in Carnegie Moscow Center Eurasia Outlook

The Aspen Institute is an educational and policy studies organization based in Washington, D.C.

Contact us at letters@time.com.