Italians Protest Against Renzis Reforms

The transcript discusses a massive protest against Renzi's JOBS Act, with claims of a million participants, though police estimate fewer. Renzi plans to continue with labor reforms despite protests, arguing that opponents are outdated. Unlike Berlusconi, Renzi, a left-wing leader, has managed to split the left, easing the passage of reforms.

What was the population of Rome mentioned in the text, and how does it relate to the protest turnout?

In what way did Renzi's political position differ from that of Berlusconi, according to the text?