Opinions cannot be debunked.  For example, if the state department does not have documentation as to where $6 billion went, in my opinion they lost it.  Government is all about documentation.  If there is no documentation as to where the money went in detail, then Trump was correct is criticizing the operation and it is reasonable to say the money was lost if records regarding its disposition where lost.

Trump's comment on Putin is correct in my opinion.  The two men have probably shared at most a few words in formal situations.  I think it is likely that Trump does not know Putin in any personal sense.  This is my opinion and past Trump comments regarding Putin's public face do not mean to me that Trump knows him.

The undocumented labor claim actually pisses me off.  Trump is a developer not a contractor.  He hired a contractor who may or may not have used undocumented workers.  But bottom line, the developer does not micromanage a contractor.  

All opinions.