President Trump spoke with children awaiting Santa — telling one that “clean beautiful coal” wouldn’t be such a bad discovery under her tree. The president asked Emilia, 8, of Kansas what she would like Santa to bring, drawing a firm: “Not coal!” “No, you don’t want coal?” retorted the salesman in chief, who has spent much of the past few weeks arguing that Americans should feel confident in the economy — citing rising GDP, real wages and stock values, in addition to declining inflation — despite polls showing broad pessimism.