As noted here on Battle Rattle last week, the arrival of fighting season in Afghanistan this year has meant a series of attacks in Helmand province, especially in Sangin district. Fighting has been underway there for several days straight, with Taliban fighters attacking Afghan forces repeatedly. Maj. Gen. W. Lee Miller, the top commander in southwestern Afghanistan, briefed the media from his headquarters at Camp Leatherneck yesterday (A transcript of that conversation is available here). A couple key takeaways: Heavy fighting in Sangin is back For much of late 2010 and 2011, the war in Sangin dominated media coverage of…