El-Sayed won crucial Michigan Senate primary. Now comes the coalition test: ANALYSIS

Abdul El-Sayed's narrower-than-expected victory underscores that his most significant challenge begins now -- building the coalition he'll need to win in November. Abdul El-Sayed's narrower-than-expected victory underscores that his most significant challenge begins now -- building the coalition he'll need to win in November. Read the full story on ABC News via the link below.