Apple and a number of other technology companies have signed a letter supporting a pair of bills that would clarify the companies’ abilities to publish details on the government’s demands for user information. The bills — Senator Al Franken’s S. 1452, the Surveillance Transparency Act of 2013, and Representative Zoe Lofgren’s H.R. 3035, the Surveillance Order Reporting Act of 2013 — were introduced in August. Apple and other tech…