[account47t83]

The problem here is that the protestors are against what they perceive as excessive use of force. Sending in the national guard would escalate the situation further. One of the reasons these protests persist is that they elicit from the police much of the behavior they detest. The protests are self-fueling.

[s_y_n_t_a_x]

Letting them do whatever they want is not a valid choice, no matter how they feel.