The mayor criticized Republican Christian senators who don't support raising the minimum wage
Told Detroit voters 'it should be $20 an hour, $18 to $20 at this point'
'People cannot live on those types of wages'
Workers charge the campaign fails to adhere to Sanders's stated principles
GOP leader says Dems are jeopardizing economy to fulfill 'unpopular partisan pledge'
Dems seek to vote $15 minimum wage bill before August
New York City's increased minimum wage drove AOC's former employer out of business