I would have asked them where their horse and buggy were. Surely they wouldn't have used a combustion engine to get to the plaza.
Like you said, gets the facts right if you want to be taken seriously. Oil can be fracked and is fracked, a simple google search will tell you that. I do agree more harmful chemicals are transported everyday by train, but fracking is the trendy choice for protesters at the moment. Maybe they should go to North Dakota to protest fracking. Lac-Megantic was an accident caused by a generator that shut off and was never turned back on to hold pressure in brake lines. Human error, not track deficiencies.
The Red Cross in Minnesota??