https://www.reuters.com/article/us-sprint-corp-m-a-t-mobile-us/t-mobile-says-ex-trump-campaign-manager-advising-on-sprint-merger-idUSKCN1IQ2Z2

T-Mobile US said it is getting advice on its proposed $26 billion merger with Sprint Corp from a lobbying firm whose staff includes several members of President Donald Trump's election team such as former campaign manager Corey Lewandowski.