Charlie Kirk and free speech

The shooting of conservative US activist Charlie Kirk has intensified what was already a bitter divide between those who found him inspiring, and those who believed he spread hate with his views on subjects like gay marriage, Islam and abortion. Since he was killed at a university rally in Utah, some fear the whole idea of free speech and what it means is now in the balance. We hear from some of Kirk’s supporters, and from others who worry about where the US is heading.