Happy Friday! If you're headed to the Black-Eyed Susan at Pimlico, expect the rain to continue throughout the day. Wet weather is also expected for Saturday's 143rd running of the Preakness Stakes at Old Hilltop with temperatures in the high 70s. Here are eight things to know.
• Former Montgomery County Council member Valerie Ervin will run for Maryland governor in place of her deceased running mate Kevin Kamenetz, a bid that could shake up the Democratic field weeks before the primary. [Washington…
