The late Rep. Elijah Cummings' daughters are backing his longtime aide Harry Spikes in a crowded primary field to succeed him - and not the longtime lawmaker's widow. Jennifer Cummings, 37, and her sister Adia, 25, both support Spikes, who served on Cummings' staff for more than a decade and who was defeated in a prior primary for the Maryland House of Delegates. Cummings widow, Maya Rockeymoore Cummings, 48, is also seeking the seat, as is Cummings' predecessor, former Rep. Kweisi Mfume, who was one of his oldest friends and is a former leader of the NAACP. All three of...