A couple of months ago, Harvey Weinstein was showing off his slimmer physique, a look he achieved thanks to weight loss guru Dr. Louis Aronne, the author of the diet book, The Skinny. But judging by the pics that Dealbook posted this afternoon from the media mogulfest in Sun Valley, Harvey hasn't been making much time…

If you were looking for an explanation for the slender physique that Harvey Weinstein has been showing off in recent months, you needn't look any further than the back of weight loss guru Dr. Louis Aronne's new diet book, The Skinny, which arrived in bookstores this week. Harvey was kind enough to issue a…