By | February 27 2013 5:35 AM

Cupertino tech giant Apple (NASDAQ:AAPL) has joined prominent Republicans, ex-military leaders and 60 other U.S. companies, including Facebook (NASDAQ:FB), Intel (NASDAQ:INTC) and Morgan Stanley (NASDAQ:MS), who have signed on to a filing that will be presented to the Supreme Court in favor of the nationwide legalization of gay marriage in the United States.