Leonard Pitts: With the death toll mounting, Trump keeps tweeting

Always before, there have been words. Always before, someone crafted them with writerly skill and gave them to the president to give to us. Always, before.When seven people died aboard the Space Shuttle Challenger, President Ronald Reagan spoke of how, just that morning, they "waved goodbye and 'slipped the surly bonds of Earth' to 'touch the face of God."'When 168 people died in the Oklahoma City bombing, President Bill Clinton told the survivors, "You have lost too much, but you have not lost