A.M. Edition for July 16. Elon Musk has said he plans to commit around $45 million a month to America PAC, a group backing former President Donald Trump\u2019s presidential run. The WSJ\u2019s Dana Mattioli has the scoop. Plus, our team in Milwaukee recaps an eventful day at the Republican National Convention and speaks to Sen. Ron Johnson (R., Wisc.) about tariffs and the economy. And, data from Disney\u2019s internal Slack workplace collaboration system are leaked following a hack. Kate Bullivant hosts.\n\n\n\nSign up for the WSJ\u2019s free What\u2019s News newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices