AT&T (T) suits up for the first of what will likely be several congressional hearings over...

|By:, SA News Editor

AT&T (T) suits up for the first of what will likely be several congressional hearings over its planned $39B acquisition of T-Mobile USA (DTEGY.PK). Sprint (S) and other rivals are preparing to testify on Wednesday as well, warning the tie-up will reduce competition and stifle innovation.