A watchdog group filed suit against the Department of Homeland Security Friday in an effort to force the agency to respond to a Freedom of Information Act (FOIA) request regarding a task force set up to combat alleged “election threats” in Pennsylvania. Democratic Gov. Josh Shapiro of Pennsylvania announced the formation of the “Election Threats Task Force” in a Feb. 29 release, claiming it would provide “trusted election information” and “mitigate threats” to elections. The Center to Advance Security in America (CASA) says the Department of Homeland Security acknowledged its request seeking i…