The goal of her speech Thursday afternoon at manufacturing company in Warren, Michigan, was to play up her focus on job development, public works projects and tax policy while trying to undercut the celebrity businessman's approach. [...] look for Clinton to argue that Trump's drive to cut taxes on certain business income would benefit many of his companies. Clinton has proposed a large public works project, pledged to roll back tax breaks for companies that ship jobs overseas, and said she would not raise taxes on the middle class. Trump wants to cut taxes for businesses and workers, and go with a three-bracket income tax system that's close to what House Republicans have recommended. Clinton's campaign stepped up efforts to win over Republicans and independents, launching a group that aims to use a wave of nearly 50 recent endorsements of Clinton by high-profile Republicans and independents to persuade voters to cross party lines.