What do you mean by positive discrimination

Why have the aztec ruins in mexico city not been dug up?

Consultant: you're welcome. as a first step, our team analyzed the other potential primary contenders. the reality is that with such a strong field, it is going to be difficult to gain the of votes necessary to avoid a runoff—unless you want to go negative from the start. and our opposition research team found plenty of ammunition to do just that.

Who gave the famous "i have a dream" speech at the march on washington?