WJZ-TV, The Baltimore Banner and WYPR Radio are hosting a mayoral debate of the four leading Democratic candidates on Tuesday, April 30. Mayor Brandon Scott, former Mayor Sheila Dixon, former prosecutor Thiru Vignarajah and businessman Bob Wallace are confirmed. WYPR’s Tom Hall, WJZ ’s Denise Koch and The Baltimore Banner’s Emily Sullivan will moderate the debate, which will be a question-and-answer format.