Why does UX StackExchange have both "Home" and "Questions" tabs?

Does UX StackExchange really need both "Home" and "Questions" tabs in its left nav? "Home" seems to be the Questions page with the "Hot" filter applied; it's pretty easy to see all active questions without a Questions tab. Doesn't this violate the principle of Don't Repeat Yourself? And isn't showing filters in two places confusing?

Home tab:

Questions tab: