>> i thought we were going to bleep that. thank you for being here with us. good night from our nbc news headquarters here in new york. 45 years ago in february of 1974, the impeachment investigators in the house of representatives who were looking at the watergate scandal and president richard nixon, they produced this report. the constitutional grounds for presidential impeachment. it's really good, actually. it really holds up after 45 years. it's very readable. it's about 60 pages long, and it does exactly what's promised in its title. it's a fairly straightforward thing and runs through what the constitution tells about impeachment and also what the previous experience is that we've had in this country with impeachment. up until that time. again, this was february of 1974 when this came out, which is the