Republican Sen. John McCain slammed his GOP colleague, Kentucky Sen. Rand Paul, on Wednesday after Paul blocked the passage of a treaty that would allow Montenegro to move forward with joining NATO, Defense News' Joe Gould reported.
McCain warned before the vote that If theres objection, you are achieving the objectives of Vladimir Putin...and I do not say that lightly.
Paul then entered the Senate chamber, voted against the accession protocol, and exited.
The only conclusion you can draw when he walks away is he has no argument to be made, McCain said after Paul walked out abruptly, according to The Washington Examiner. "The senator from Kentucky is now working for Vladimir Putin."
Russian President Vladimir Putin is staunchly opposed to Montengro's accession to NATO, which he views as a threat to Russian sovereignty. Albania and Croatia joined the alliance 2009.