welcome to cnn tonight. is it possible the u.s. shot down a hobby balloon or that the u.s. new something and said nothing. plus trains have become less safe. tonight we ll talk about the rollback of regulations that allow them to carry more hazardous material through all of our neighborhoods, just as they did through east palatine, ohio, causing that toxic spill. very hard to believe there is a particular path that can cause harm small community. and with smart home technology, are you the boss of your home, or is your home the boss of you? tonight i ll speak to one man