Md.’s open U.S. Senate seat draws national spending as primary looms

A month ahead of the primary election that will set up Maryland’s open U.S. Senate race, campaign filings show millions pouring into candidates’ coffers — including big donations from national groups banking on the seat’s significance for control of the chamber. The large fundraising sums, from financial reports due Monday, reflect the escalating attention on what had largely been seen as a sleepy contest for a reliably blue seat until former Maryland governor Larry Hogan (R) launched a surprise bid two months ago.