After losing on Monday night, Jay Leno was back to winning on Tuesday. On Tuesday night The Tonight Show had a 1.1 rating with adults 18-49 based on fast national numbers (which cover the country more broadly than the 25 local People Meter markets we reported this morning). Letterman's Late Show had a 0.9 rating with adults 18-49.
The Tonight Show also lead the Late Show in average viewers, 4.216 million to 3.973 million.
Nightline scored a 0.9 adults 18-49 rating and averaged 3.288 million viewers.
I haven't seen adults 25-54 ratings yet. Will add themhere if/when I do.