Statue of Limitations running out for Clapper’s perjury indictment?

“Former National Intelligence Director James Clapper is about celebrate one of the most important anniversaries of his life. March 13th will be the fifth anniversary of his commission of open perjury before the Senate Intelligence Committee. More importantly, it also happens to be when the statute of limitations runs out — closing any possibility of prosecution for Clapper.”

https://www.usatoday.com/story/opinion/2018/01/19/james-clappers-perjury-dc-made-men-dont-get-charged-lying-congress-jonathan-turley-column/1045991001/