Forecasting future developments in poker is usually about as reliable as trying to predict a flop, turn, and river.  However, there’s far more than a 52-card deck’s worth of possibilities for players and industry personnel.  Whether the subject is card rooms, online poker, or major tournaments, 2010 promises to be a defining year for our game.  The upcoming year could very well be a definitive point in time, shaping poker for many years to come.  Here’s a look ahead at what to expect through the end of the year: Poker Rooms For the first time since New Jersey and Connecticut legalized poker nearly two decades ago, poker will enjoy its greatest expansion in the Eastern U.S. Pennsylvania’s recent legalization of table games, including poker, at its seven land-based casinos and horse tracks will add perhaps 150 poker tables to what’s already a thriving poker region.  There’s talk of not just one, but two large poker rooms opening in casinos near Philadelphia.  One card room, proposed in the northeastern part of the city, could contain as many as 60 tables, according to reports. There’s a good chance that poker will further expand in Florida, where the cap on betting limits could be ...