August 21, 2014 -- Updated 2123 GMT (0523 HKT) Edited by Simon Rushton in Atlanta

Tackling ISIS will mean taking on seasoned fighters with serious weapons and funding but there are signs already of ISIS over-reaching. FULL STORY

EBOLA OUTBREAK
BATHED IN BLOOD
A ruined castle reveals a female blood drinking serial killer said to have inspired the Dracula story.
SOCIAL EVOLUTION
A new app challenges Facebook with 24 hour friends and posts that don't haunt you.
FOLLOW US

CNN TV

Featured TV
20:00 London, 21:00 CET
Watch Monday - Friday
19:00 London, 23:00 Hong Kong
Watch Amanpour LIVE
Monday-Friday 11:00 London
Your business briefing
Weeknights 21:00 London
Catch up with Quest
Sun-Thurs 16:00 London, 19:00 UAE
Live from Abu Dhabi
CNN. Go There
MARKETS

TRAVEL

More

Popular on Facebook

Quick Vote

Should unproven drugs be used on humans?