The press hated Richard Nixon and made no secret about it, president or not.
The press hated presidents Bush. I still remember Dan Rather's shouting interview of G.H.W. Bush on CBS Evening "News" in 1988(?). If it was 1988 Bush was still VP an campaigning for president.
There are thousands of examples -- and an equal number of examples of the press' servile respect and worship of Clinton and Obama.
Don’t know about being heckled, however, a shoe tossed at him would be cheered on by the left...