In a letter “To Whom it May Concern,” 1st District U.S. House candidate Laura Ruderman has demanded a halt to all negative advertising by a political action committee that was financed by Ruderman’s mother Margaret Rothschild. Ruderman is asking Progress for Washington — commonly nicknamed “MamaPAC” — to “immediately cease any forthcoming negative attacks on my Democratic opponents in the 1st Congressional district race.” “I love my mother very much but I cannot condone the path the independent expenditure has taken,” Ruderman wrote. She said the campaign was trying to put out “positive, results-oriented messages.” “MamaPAC” has sent out three glossy mailings trashing the business record of Democratic rival Suzan [...]