Navy SEAL who oversaw the Osama bin Laden raid warns that 'Batman and Superman are not coming' in a speech advising college graduates to become their own heroes

· Retired US Navy Adm. William McRaven, the commander who oversaw the military raid that killed al Qaeda leader Osama bin Laden, called on recent college graduates to "save the world" and asked them to work to be the last students who miss classes due to pandemic, war and climate change.
· Speaking to the graduates of...