Sachs isn't exactly the most truthful dude, and he is an economist, not a foreign affairs expert....
en.wikipedia.org
You really need to be careful watching Carlson. It's easy to put a video/interview together with zero sources to support claims:
"There is no NATO base in Kosovo. The only forces in Kosovo are those of KFOR, an international force created by
UN Security Council Resolution 1244, for which Russia voted in favor. KFOR is led by NATO but also includes Russia, Ukraine, and eight other non-NATO countries."
"The
Kosovo Force (
KFOR) is a
NATO-led international
peacekeeping force and military of
Kosovo.
[2] KFOR is the third security responder, after the
Kosovo Police and the EU Rule of Law (
EULEX) mission, respectively, with whom we [
who?] work in close coordination.
[4] Its operations are gradually reducing until
Kosovo's Security Force, established in 2009, becomes self-sufficient."
only 4000 or so personnel
en.wikipedia.org
While his claims don't support the actual timeframes
He refers to policy document "
Rebuilding America's Defenses".
It was written in 1997 by a non profit organisation:
The organisation was PNAC which was staffed by Republican members/supporters. Many went on to serve in the Bush administration
en.wikipedia.org
The Belegrade bombing happened in 1999:
en.wikipedia.org
Democrats/Clinton were in government during the bomb. It's highly unlikely that a heavily republican linked policy document (which wasn't even written for government) would have much influence in 1997-99 on the Democrats. Especially after Clinton came in after defeating Bush (part of the Reagan era)