The opinions expressed in this commentary are solely those of the author. (CNN) The sudden reorganization of Donald Trump's campaign leadership is a long-overdue acknowledgement that the style and strategy Trump rode to victory in the Republican primary is killing the billionaire's chances of winning the general election in November. With multiple key political indicators pointing to a defeat -- including sagging poll numbers in swing states, no money spent on television ads and his fellow Republicans' reluctance to endorse him -- a tune-up was in order. JUST WATCHED Third Trump campaign shake-up in as many months Replay More Videos ... MUST WATCH Third Trump campaign shake-up in as many months 05:12The most important change is Trump's wise decision to promote a senior advisor, Kellyanne Conway, to the pivotal position of campaign manager. She even paired up with a Democratic pollster to write a book about the rising cultural and political power of women voters.

Source: CNN August 18, 2016 01:03 UTC