Charges: Mom Pushed Child In Stroller Down Stairs

...pushing her [4-month-old] baby in a stroller down a flight of stairs at the Lake Street light rail train station Tuesday evening ... during an argument between the mother ... and her boyfriend ... She was heard yelling at him, "You already got a 12 and 14 year old you don't give a s*** about and now you don't give a s*** about this one! I'm gonna push this one down the steps! I'm pregnant again!" ... instead of picking the baby up to check on its welfare, ran to her boyfriend and started punching him in the face ... she kicked two officers and spat at one of them ... admitted to drinking at least five beers before the fight.... [The world's most popular beverage!]