Teachers have to communicate what they know By Examiner Staff Writer FacebookTwitterWhatsAppLinkedinEmailPrint January 6, 2009 5:00 am FacebookTwitterWhatsAppLinkedinEmailPrint Related Content Education UPenn climate scientist steps down from vice provost role amid Kirk posting backlash House Democrats flood House floor to accuse Republicans of being on ‘vacation’ despite looming shutdown Columnists Iowa’s stunning, embarrassing immigration mess News Newsom digs at Trump’s weight as War Department seeks to eliminate troop obesity In Focus Chuck Schumer’s bad shutdown bet