President Trump on Saturday tweeted his frustration with Republican leadership’s inaction on border security, blaming it on Democrats playing them “like a fiddle.”

When will Republican leadership learn that they are being played like a fiddle by the Democrats on Border Security and Building the Wall? Without Borders, we don’t have a country. With Open Borders, which the Democrats want, we have nothing but crime! Finish the Wall! — Donald J. Trump (@realDonaldTrump) September 15, 2018

“When will Republican leadership learn that they are being played like a fiddle by the Democrats on Border Security and Building the Wall?” Trump tweeted. “Without Borders, we don’t have a country. With Open Borders, which the Democrats want, we have nothing but crime! Finish the Wall!”

Trump’s tweet was likely a reaction to months of frustration with Congressional inaction on key administration initiatives like increased border security and a border wall. Just last week, the president indicated he would be willing to consider other ways to build the wall, like using the military. (RELATED: ANN COULTER TO THOSE WHO SAY TRUMP LACKS AUTHORITY TO BUILD WALL — ‘PULL OUT YOUR POCKET CONSTITUTION’)

“We have two options,” the president told Daily Mail last week. “We have military, we have homeland security.”

While Trump indicated he would prefer to fund wall “the old-fashioned way — get it from Congress,” he said he would be willing to use “other options if I have to.” (RELATED: President Trump Considering Using Military To Build Border Wall)

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