Steven Miller is breaking his silence about the scandal that’s engulfing the Internal Revenue Service. Miller, the acting IRS commissioner, is quickly emerging as the focus of fury in Washington after an agency official acknowledged last week that conservative groups seeking nonprofit status were targeted for extra screening if their applications included words such as “tea party” or “patriot.” In an op-ed published Tuesday in USA Today, he said the agency was simply trying to manage the explosive growth in applications for 501(c)(4) status that started pouring in to the IRS in 2010. "The Internal Revenue Service recognizes that we...