Boston Marathon en Cleveland Marathon Among Many Considering Security Upgrades <P><FONT size=3 face=ARIAL><FONT size=3 face=ARIAL>Organizers of the Cleveland Marathon say discussions are underway about adding security for the event next month. Tue, 16 Apr 2013 16:28:24 +0000 Jim Letizia 34054 at Ohioans Witness Boston Marathon Explosions <P>Several Ohioans who ran in yesterday's Boston Marathon say they heard the explosions that killed or injured several people, but none of them have been reported injured. Tue, 16 Apr 2013 12:48:26 +0000 Jim Letizia & Ohio Public Radio & Associated Press 34041 at