Russian President Vladimir Putin tossed President-elect Donald Trump a bouquet in December when he chose not to retaliate for the U.S. expulsion of Russian diplomats and the seizure of Russian diplomatic compounds.

The honeymoon is over.

A tit-for-tat decision by Russia on Friday to expel hundreds of U.S. diplomats and seize two U.S. compounds may be an acknowledgment that Trump's ability to bring better ties is limited and be the start of a new downward spiral in relations.