article_snippet: The answers go back to the U.S. invasion of Iraq in 2003; Iraq's military is starting over -- for the second or third time in a decade.
article_snippet: One of the most controversial acts of the U.S.-led Coalition Provisional Authority, which ran Iraq following the ouster of Saddam Hussein, was to disband the Iraqi army.
article_snippet: In some places there were riots among demobilized soldiers; at the same time training of Iraqi police was a desperately slow process because of the rapidly growing insurgency.
article_snippet: With U.S. assistance and the "Sons of Iraq" program to coax Sunni tribes into fighting al Qaeda in Iraq, violence did diminish in 2009 and 2010.
article_snippet: But once U.S. forces left at the end of 2011, and with U.S. forces intelligence-gathering and training programs, things began to unravel.
highlights_snippet: Iraq's military is starting over -- for the second or third time in a decade .