Does tenure make teachers invincible and prone to slacking, or does it keep good teachers safe?

Does tenure make teachers invincible and prone to slacking, or does it keep good teachers safe?
Does tenure make teachers invincible and prone to slacking, or does it keep good teachers safe?
Does tenure make teachers invincible and prone to slacking, or does it keep good teachers safe?
Music students in Assistant Professor Bethany Worrell’s class built a larger-than-life model of the larynx and demonstrated how it works to produce sounds.