Renton:  indirect speech regulation
(1)    Anti-skid row statute (couldn’t have xxx establishments w/in 200 feet of ea other)
(2)    Indirect speech regulation b/c didn’t ban xxx establishments altogether
(3)    O’Brien Test:  Content neutral time, place, and manner restrictions okay so long as [if not content neutral, go back to strict scrutiny]
(a)    narrowly tailored
(b)    to serve a substantial governmental interest [unrelated to the suppression of free speech (if is, go back to strict scrutiny)] and
(c)    there are alternative channels to communicate the information.