USA can interfere in Iraq, Syria, Afghanistan, and many other countries but not in Saudi Arabia. So it wants conflict to carry on and make hay while the crisis goes on. So if one has economic interests in a country principles can be given a go by.

It is true US cannot force Saudi Arabia to stop funding ISIS. US needs oil from Saudi and Saudi needs arms from the US. However, Saudi is willing to take part in US led  attacks on ISIS

the only which can eradicate this evil thing is not war it is knowledge. A true knowledge about the religion and what his/her god want from him/her  

Until all countries including the Arabian countries realise the fact that ISIS and their kind nee to be wiped out, we may not be able to stop the terror groups completely.It should be like the time allied forces came together during second World war and there should be a full stop or else we may see them growing back like phoenix in years to come.

Now every country directing all its efforts to stop the ISIS. This is a problem connected with the entire world. ISIS by any means should be stopped

ISIS can be wiped out only if the interests of Russia and USA converge. Who will bring them together?

It is the question of survival. If Russia and USA fail to join together in wiping off the spread of ISIS, a common enemy to the entire world, Russia and USA will become the new enemies to the world.

Today a news item informed that the rebels fighting ISIS in Iraq and Syria are buying their oil requirements from ISIs from funds provided by US and other supporters. How bizarre can it get!