Senate Democratic leaders are joining forces with Republican Sen. Rand Paul of Kentucky to oppose a small portion of President Donald Trump’s arms deal with Saudi Arabia, CNN reports. Senate Minority Leader Chuck Schumer announced Monday he was supporting a resolution offered by Paul and Democratic Sens. Chris Murphy of Connecticut and Al Franken of Minnesota to block the sale of $510 million of precision-guided munitions to Saudi Arabia. Paul and Murphy are expected to force a vote on their resolution – which is possible under Senate rules for arms sales – as early as Tuesday, according to Senate aides. In a statement, Schumer said he would support Murphy’s resolution.”The human rights and…