The Rundown -- April 21

# U.S. paratroopers begin training Ukraine national guard units

# Armed with new law, Ukraine targets its shadowy banks

# What it means to use Ukrainian or Russian on Ukraine's front lines

# Russian security services say they have killed the head of a North Caucasus Islamist insurgency

# LGBT activist publicly shames Russians who send her threats

# Russia sets sights on Middle East

# "Putin’s Action Hero: How Steven Seagal Became the Kremlin’s Unlikeliest Envoy" - Max Seddon and Rosie Gray, Buzzfeed

# At least 90,000 have been displaced near Baghdad in the last several days

# Washington Post reporter charged with spying

# U.S. warship sent to block Iran weapons off of Yemen

# "A Message From Iran" - Mohammad Javad Zarif, New York Times

# "This is the Case Against Obama's Iran Deal That Everyone Should Hear" - Max Fisher interviews Mike Doran

# Kidnappings rattle Afghanistan Hazara community

# Heroine from Afghanistan flooding into India

# U.S. and Saudis plan sanctions on Pakistani charity

# "Why Are We Sending This Attack Helicopter to Pakistan?" - Husain Haqqani, Wall Street Journal

# Germany to use call Turkish mass killings of Armenians genocide

# System of a Down "on facing history" and playing in Armenia

# HRW to Azerbaijan: Release activists and journalists behind bars

# Belgrade says it will arrest Thaci if he comes to Serbia