"As an activist, we spend most of our time, particularly in 2012, fighting off liberal activists and other establishment activists. So of course you could pull any of those tweets out of one of those heated discussions because a lot of times it's in the sphere of fighting off other liberal activists," Ms. Pierson said.
"We have entered silly season," she added. "Donald Trump is up in the polls. There's desperate campaigns out there, they can't take him down so they try to take down the people that are around him. And we're just not going to get distracted by all that nonsense."