WASHINGTON — Some 60 percent of those asked told a UPI-Zogby International poll they believe U.S. forces are policing a civil war in Iraq and not fighting al-Qaida. Sectarian fighting between Sunni and Shiite sects of Islam has marked much of the violence in Iraq but there is also the presence of the group al-Qaida in Iraq, which has been blamed for many terror attacks. However, the sectarian attacks often are the most dramatic and grab the attention of the public. That is perhaps why 34.6 percent of poll respondents said they strongly agreed that the U.S. military is policing a civil war. Another 22.7 percent said they somewhat agreed with the statement. Meanwhile, 21.6 percent strongly disagreed and 14.1 percent somewhat disagreed, seeing the fight as against al-Qaida. More than half — 53.7 percent — of participants strongly agreed and 25.5 percent somewhat agreed that the United States should withdraw its troops if the Iraqi leadership requested such a move. Also, 53.4 percent of those asked (40.8 percent strongly disagreed and 12.6 percent somewhat disagreed) refuted a statement that the United States has lost the war in Iraq. A total of 6,711 U.S. […]