Key witness takes the stand in Bill Cosby's sexual assault trial
5:05pm PDT - May 1st, 2021 bill cosby - CBS NewsOn the first day of Bill Cosby's criminal trial, a key witness for the prosecution took the stand and told jurors Cosby forced her to take a pill and made her touch his private parts -- an incident similar to Andrea Contand's, the woman Cosby is accused of se…