Allergan's CEO Brent Saunders on Tuesday (Sept. 6) promised not to raise drug prices more than once a year and to raise prices at most only somewhat faster than inflation, once rebates and other discounts are taken into account. The brand drug maker also promised to not significantly raise prices right before its products face generic competition, and it will report at least annually on “the net impact of price on our business.” Saunders laid out the policies in a...