Why pro-Trump ads — paid for with public money — are airing on U.S. TV

<img src='https://i.cbc.ca/ais/5794ee27-9e07-4c6c-b768-15c0a407b4ad,1790698964069/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C1920%2C1080%29%3B' alt='A black and white image of Donald Trump, superimposed with a caption that says &apos;Paid for by the U.S. Government&apos;.' width='620' height='349' title='A still frame of a new campaign-style TV ad, paid for by the U.S. government, that promotes U.S. President Donald Trump.'/><p></p>