Came, saw, and conquered this square. now they have to make room for sightseers. the authorities in rome are eager to capitalize on the resurgence of tourism following the pandemic lockdown. recently revealing a private theater built for a mad emperor, immortalized in the epic 1951 blockbuster corvadis. here is history s evil green y genius, nero. reporter: nero was a classic case, says rome-based archaeologists, of a leader who thought he knew best. at a certain point he realizes as he s getting older, wait, i can do whatever i want. those guys that are advising me, they re inhibiting me. i can get rid of them. who s to say i can t? reporter: the theater was where nero, a self-styled poet, musician, and athlete, honed