2nd Democratic debate has high stakes for 2020 candidates

DETROIT (AP) — Democrats gathering in Detroit for a pivotal presidential debate will have to decide, once again, how to respond to President Donald Trump while presenting their own vision for the country.Candidates are sure to use the high-profile setting on Tuesday and Wednesday to blast Trump's recent string of racist and incendiary tweets and comments, first about four congresswomen and more recently about Baltimore, a racially diverse U.S. city that, like Detroit, has faced challenges.