What does it take to be blocked on Twitter by a liberal American journalist?

What does it take to be blocked on Twitter by a liberal American journalist? Apparently, not much. Tom Gara is the corporate news editor at the Wall Street Journal. Look what happens to someone who tries to argue with him on Twitter.

Some "liberals" just won't let the plain truth stand on their way. pic.twitter.com/i3mysfbrcP
— Tzippy Yarom (@zpyarom) September 4, 2014
For the record, Tzippy