Sixers fans have demanded two things from the team since it traded Jared McCain to the Oklahoma City Thunder on February 4. The first was accountability, which they received by Philadelphia parting ways with former president of basketball operations Daryl Morey on Tuesday.  The second was an explanation of how and why it happened. Whose idea was it to trade him? Was it in an effort to avoid the luxury tax? Morey offered his explanation one day after the February 5 trade deadline, when he notoriously said the Sixers sold high. But there was one person fans hungered to hear from: Josh Harris. The fanbase got its wish on Thursday afternoon as Harris and interim lead executive Bob Myers spoke in a press conference. Harris addressed the McCain deal and the stigma around Philadelphia’s desire to duck the luxury. The Sixers are now focused on the assets they got from the Thunder, namely the 22nd overall pick, as they enter a new era in management.…