Appeals court denies Trump administration request to immediately reinstate ban on travelers (sic) and refugees
You've now got two courts obstructing Trump's EO. If after legal process is followed the EO gets to stand, that's still a check on Trump's authority. The limits of EO should be obviously apparent. Wasn't it one of Obama's first orders to close down Guantanamo? That's shits still running.
Trump could find a way to burn the Reichstag and turn shit all upside down, and THEN he might have powers of dictator. But I'm not seeing it. Yet.