News ‘It’s all very positive:’ Donald Trump, once a critic of Mexico, now praises its president July 8, 2020David Jackson and Courtney Subramanian, USA TODAYComments Off on ‘It’s all very positive:’ Donald Trump, once a critic of Mexico, now praises its president Trump, who launched his 2016 campaign attacking Mexico over trade and immigration, on Wednesday lavished praise on the country's president.