Can protesting in the US be ‘illegal’? Trump’s vague warning raises constitutional questions

The ambiguity of the president’s warning could pave the way for lawsuits. It also could be damaging, critics say, if it has the effect of stifling freedom of speech, among the nation’s most fundamental and heralded rights.

​ The ambiguity of the president’s warning could pave the way for lawsuits. It also could be damaging, critics say, if it has the effect of stifling freedom of speech, among the nation’s most fundamental and heralded rights. Read More Breaking News, Latest News and Videos | CNN