The Cybersecurity and Infrastructure Security Agency (CISA) in the Department of Homeland Security appears to be in the midst of a house cleaning.Bryan Ware, the assistant director of the cybersecurity division at CISA, unexpectedly resigned today. And now Reuters is reporting that Chris Krebs, the director of CISA, expects to be fired by the White House today as part of a purge of political appointees who are considered not loyal to President Donald Trump.Reuters also is reporting that the White House asked Ware to resign.In a note to staff, obtained by Federal News Network, Ware wrote that his last day...