AT & T Mobility CEO Ralph de la Vega says the network faces short-term problems . T-Mobile USA 's assets could alleviate the troubles of its parent company, but it will take time to fix them. But AT & T faces a potentially long regulatory approval process .
AT & T Mobility CEO Ralph de la Vega says the network faces short-term problems . T-Mobile USA 's assets could alleviate the troubles AT & T faces , he says . But AT & T faces a potentially long regulatory approval process .