PHILADELPHIA—A former nurse at a Philadelphia senior care facility has pleaded guilty to misdemeanor neglect of a care-dependent person and tampering with records in the 2018 death of the father of former Trump national security advisor H.R. McMaster Jr. The Pennsylvania Attorney General’s office announced Tuesday that 34-year-old Christann Gainey had pleaded guilty in a Monday court appearance to the charges related to the death of Herbert R. McMaster Sr. Gainey had initially been charged with additional counts of felony neglect and involuntary manslaughter, which were dropped as part of the plea agreement. A message left with an attorney representing Gainey was not immediately returned Tuesday. The Attorney General’s office said she was sentenced to six months under house arrest, with another four years of probation, according to court records. Gainey will also be barred from seeking reinstatement of her license or working in a care facility during that time. …