A bipartisan bill that would provide much-needed federal assistance to moms-to-be, which was being hammered out between the staffs of Sens. J.D. Vance (R-OH) and Tim Kaine (R-VA), stalled out because the man Donald Trump selected as his running mate cut off talks. According to a report from the Washington Post’s Jeff Stein, the bill would have limited childcare costs by reining in insurance companies slamming parents and new mothers with “co-pays or other expenses related to childbirth.” As the report notes, at about the same time that the Donald Trump campaign began serious vetting of possibl…