AT&T's LTE spectrum acquisitions just hit a minor bump in the federal road. In a recently released FCC statement, Wireless Bureau chief Rick Kaplan announced the decision to stop the 180 day review clock on the telco's proposed takeover of Qualcomm's 700MHz spectrum. The $1.9 billion deal, inked last December, isn't getting the regulatory axe, but due to a "number of related issues" concerning spectrum overlap with the still unapproved