Jabin Botsford/The Washington Post via Getty Images
- The threat of political violence has been an unfortunate element of many open societies.
- In a YouGov poll taken after the Trump rally shooting, half of US adults said it's "a very big problem."
- President Joe Biden is seeking to project an image of unity and calm a stunned nation.
One thing is clear after shots were fired at former President Donald Trump during his Saturday rally in Pennsylvania: Americans are freaked out.