(NOTICE: For retransmission or other content delivery inquiries, please contact TCA Customer Service, 1-800-346-8798, tcacustomerservicetribpub.com.) (ATTENTION EDITORS: 1 photo and a headshot accompany this column. FILENAME: thomas-gaza-20210512.jpg FILENAME: Cal-Thomas.jpg) - Advertisement - Cal Thomas Tribune Content Agency Signs have been a part of Middle East lore dating back to biblical times. People in the region take them seriously, which is why the signs emanating from the Biden administration are having serious ramifications. Recent rioting on the Temple Mount and rocket attacks on Jerusalem and other civilian areas from Hamas bases in Gaza signal that statements and actions (and inactions) by the Biden administration are creating a political vacuum that terrorists and dictators are eager to fill.