[xrr rating=2.0/5]The “reunion movie” is generally a sad affair involving old friends returning to their old haunts and bitterly asking “What’s changed?” Writer-director Jesse Zwick’s About Alex is no different. Alex (Josh Ritter) weirds his friends out with bizarre Tweets hinting at emotional instability. Cryptically quoting Shakespeare, Alex signs off saying, “Look for me tomorrow and you will find me …