MSNBC’s Joe Scarborough has been sounding the alarm that Donald Trump appears to be mentally unwell, and he said evidence of that concern spills out daily. The former president delivered an addled and rambling speech Monday night in New Hampshire, where he attempted to describe a missile defense system using “ding-ding-boom” sound effects and casually praised Hungarian autocrat Viktor Orbán, and the “Morning Joe” host was alarmed by the spectacle. “He can’t even say the simplest of sentences anymore,” Scarborough said. “That’s so terrible, everything about it is so terrible. He praises, of cou…