Maryland’s Democratic Senate primary is shaping up to be one of the most expensive races in the country. NBC News Capitol Hill Correspondent Julie Tsirkin explains how former Governor Larry Hogan’s (R-Md.) candidacy is making that race competitive.us polictics news Maryland’s Democratic Senate primary is shaping up to be one of the most expensive races in the country. NBC News Capitol Hill Correspondent Julie Tsirkin explains how former Governor Larry Hogan’s (R-Md.) candidacy is making that race competitive.