The campaign team for GOP Senate candidate in Pennsylvania Mehmet Oz apparently misled reporters by not disclosing that a woman who participated in an event and shared her emotional testimony about losing family members to gun violence was a paid staffer for Oz’s team. In September, Sheila Armstrong, a black woman, appeared at a town hall in a church in Philadelphia and described the fatal shootings of her brother and nephew. The moment was captured by local reporters and national media outlets. Weeks after the event, Brendan McPhillips, who manages the campaign of Dr. Oz’s Democratic opponent…