This is your WORT local news for Tuesday, December 13.

• Increased housing density could come to Madison’s historic districts…
• Today marks the one year anniversary of Dick Wagner’s passing,
• We meet the organizer of Madison’s newest sister city partnership… 
• And in the second half, the Daily Cardinal reviews the UW's fall semester, robins see no reason to leave in the winter, and Radio Astro tunes out cosmic light.