President Trump sent a Thanksgiving Day message to the nation Thursday: It's time to be very grateful. To him. In an early-morning tweet, Trump wrote: "your Country is starting to do really well. Jobs coming back, highest Stock Market EVER, Military getting really strong, we will build the WALL, V.A. taking care of our Vets, great Supreme Court Justice, RECORD CUT IN REGS, lowest unemployment in 17 years….