Chris Christie says ex-president too scared to face rivals as occasionally chaotic debate ranges from healthcare and strikes to drugs and immigration
Full story: Trump accused of being ‘missing in action’Where candidates stand on abortion
In Michigan, meanwhile, Donald Trump is trying to position himself as an ally to striking blue-collar auto workers – against the cries of union leaders who have said a second term for the former president would be a “disaster”.
The United Auto Workers have witheld an endorsement in the presidential race, but leaders have repeatedly questioned Trump’s record. Tonight, he’ll be speaking at Drake Enterprises in Clinton Township, north of Detroit, a nonunion shop.