also a heavy presence at the university of texas in austin. pro-palestinian and antiwa protests at columbia university smart demonstrations at other universities reviving the debate about free speech and the right to protest. there have been reports of anti-semitic remarks at some, something columbia's president said was unacceptable. speaker of the house mike johnson visited the columbia university campus. he accused people of failing to protect jewish students. >> we cannot allow this kind of hatred and anti-semitism to flourish on our campuses. those who are perpetrating this violence should be arrested. i am here today, joining my colleagues, to call on the school president to resign if you cannot immediately bring order to this chaos. >> the white house has been under pressure to respond to the campus protests. here is the press secretary speaking earlier today. >> this is a deeply painful moment for many communities and we understand that. but the president believes free-speech debate and nondiscrimination on college campuses are importa