Some fear the fight against ISIS could end via ` ` mission creep '' Julian ##son : Today 's presidents constrained by factors that make another war unlikely . He : Presidents no longer have the draft and immense budget resources for war . He says public , shaken by recent wars , is in no mood for major military action .
Some fear the fight against ISIS could expand via `` mission creep '' Julian Zelizer : Today 's presidents constrained by factors that make another Vietnam unlikely . Zelizer : Presidents no longer have the draft and immense budget resources for war . He says public , chastened by recent wars , is in no mood for major military operations .