The Islamic State of Iraq and the Levant (ISIS) has recently taken over the Iraqi cities of Mosul and Baiji, the second of which is the home of Iraq's largest oil refinery. The accompanying infographic shows the development of ISIS and its most recent attacks. ISIS pledges allegiance to al-Qaida, and as ABC News reports, it is proving to be the undoing of the United States' decadelong efforts to establish democracy in the embattled country. With the country's oil supply at risk, will the West intervene again? Is the fight against terrorism becoming a lost cause?