Turkey: Deterrence failing, Ukraine
crisis partly result of Syria inaction
'The United States, and the West at large, has appeared reluctant to become entangled in the Syrian civil war.
President Barack Obama set a “red-line” for the Assad regime – the use of chemical weapons – but when that line was crossed he opted for a Russia-brokered diplomatic deal with the Syrian regime, rather than forceful intervention.'
Invading Syria and doing nothing are not the only options here.