I am pretty sure it is the in the job description of the NSA to intercept and monitor calls and mail made to heads of foreign powers
yep
Bush signed a presidential order in 2002 allowing the National Security Agency to monitor without a warrant the international (and sometimes domestic) telephone calls and e-mail messages of hundreds or thousands of citizens and legal residents inside the United States.
The program eventually came to include some purely internal controls - but no requirement that warrants be obtained from the Foreign Intelligence Surveillance Court as the 4th Amendment to the Constitution and the foreign intelligence surveillance laws require.
Yet another apologist for the illegal, immoral and criminal surveillance state. Don’t you belong over at there the DUmp?
However the big difference here is not that he was trying to land an interview with Putin but his information was being leaked to controlled news outlets with intent to silence him.