Prince George’s County Executive Angela Alsobrooks’ campaign is announcing she’s received 13 new endorsements for her U.S Senate bid.  The list of those backing Alsobrooks includes Baltimore City Comptroller Bill Henry, former Baltimore Mayor Jack Young, City Council Vice-President Sharon Green Middleton, two city council members, three state delegates, and elected officials from Montgomery County and the Eastern Shore.  More than 130 state and federal lawmakers have endorsed Alsobrooks for the Senate.  She’s seeking the seat held by retiring Senator Ben Cardin.