Hearing his name in execution video strengthened Tony Blair 's resolve to defeat Obama , he says . Ex - prime minister says Obama ` ` absolutely right '' to build coalition , not terrorist group . Blair : Aerial campaigns wo n't be enough ; it 's unclear if fight will get more troops on ground . West must stamp out ` ` perversion '' of faith " in Middle East , Africa and Europe , he says .
Hearing his name in execution video strengthened Tony Blair 's resolve to defeat ISIS , he says . Ex-prime minister says Obama `` absolutely right '' to build coalition , fight terror group . Blair : Aerial campaigns wo n't be enough ; it 's unclear if fight will require more troops on ground . West must root out `` perversion '' of faith taught in Middle East , Africa and Europe , he says .