Obama assures: we will destroy IS

US President Barack Obama has made clear once again with firm language that the fight against Islamic State regards him (IS) will be fought to the bitter end.

According to the US president successes achieved: IS would be 40 percent of the territory it had lost in the hands of Iraq, the recruitment of new fighters sees decline and lack of money had to reduce salaries, which is bad for morale.

While IS is reduced by the bombing, according to Obama battle is ultimately only win if civil war in Syria stops. The limited truce where the US and Russia to insist and which should enter into the night from Friday to Saturday, he calls,, a potential step toward an end to the chaos. '

Obama maintains its position that Syrian President Bashar al-Assad have gone.