Obviously.

Via Raw Story:

Sen. Bernie Sanders (I-VT) said the immigration debate is framed exactly wrong.

Republicans vilify President Barack Obama for supposedly opening the border to ever-increasing multitudes of immigrants, legally or otherwise, but the Democratic presidential candidate said blame is cast in the wrong direction, reported Vox.

“Open borders? No, that’s a Koch brothers proposal,” Sanders said in a wide-ranging interview with the website. “That’s a right-wing proposal, which says essentially there is no United States.”

Sanders frequently targets the libertarian industrialists Charles and David Koch as unhealthy influences on American democracy — but he’s not the first to notice their support for an open borders policy.