Most of them that I can think of are on PBS or C-SPAN:

[link|http://www.pbs.org/wgbh/pages/frontline/|Frontline] (Documentaries).

[link|http://www.pbs.org/wgbh/nova/|Nova] (Stories about science and technology).

[link|http://www.pbs.org/newshour/|News Hour] (Nightly news during the week).

[link|http://www.c-span.org/homepage.asp?Cat=Series&Code=NM&ShowVidNum=10&Rot_Cat_CD=NM&Rot_HT=206&Rot_WD=&ShowVidDays=365&ShowVidDesc=&ArchiveDays=365|Newsmakers] (Interviews by a journalist of a person in the news).

[link|http://www.c-span.org/homepage.asp?Cat=Series&Code=RWH&ShowVidNum=4&Rot_Cat_CD=RWH&Rot_HT=206&Rot_WD=&ShowVidDays=100&ShowVidDesc=&ArchiveDays=365|Road to the White House] (Coverage of candidate appearances without commentary. It's just like being at an event.)

[link|http://www.c-span.org/homepage.asp?Cat=Series&Code=AC&ShowVidNum=7&Rot_Cat_CD=AC&Rot_HT=206&Rot_WD=&ShowVidDays=100&ShowVidDesc=&ArchiveDays=100|America and the Courts] (Coverage of speeches by judges, interviews, etc.)

But most TV news in the US is garbage. :-(

Cheers,
Scott.