On Monday more than 30,000 teachers at 900 schools in Los Angeles, California, will be on strike.   And unlike the wave of teachers strikes last year in red states like West Virginia, this time educators are taking to the streets due to the policies of Democrats.   At issue are things like lowering class sizes and providing more nurses, librarians and counselors.   But behind these issues lies one of the most important facts about our country.   When you…