U.S. President Joe Biden, in a message released Friday on the eve of the 20th anniversary of the Sept. 11 terror attacks, signaled his country's resolve to stand up against anyone seeking to do it harm, recalling the "unity" he had seen in the response to the tragic event."We also saw something all too rare, a true sense of national unity. Unity and resilience, the capacity to recover and repair in the face of trauma," Biden said in a video message posted on Twitter."Unity and service, the 9/11 generation stepping up to serve and protect in the face of terror...That will never stop. Today, …READ FULL ARTICLE