The Democratic-controlled Senate voted 54 to 44 Friday to extend government funding through Nov. 15 and strip from the bill a measure to defund "Obamacare" that earlier passed the House of Representatives. The continuing resolution now heads back to the House, where its fate remains unclear. With the majority of each house of Congress at loggerheads, the rhetoric has made for a high-stakes staring match, and if neither side blinks before the end of Monday night, a government shutdown could result. On Friday, President Barack Obama called the GOP's tactic to defund Obamacare "political grandstanding" and urged Congress not to let a government shutdown happen. "Do not threaten to burn the house down simply because you haven't gotten 100 percent of your way," he warned. Meanwhile, stocks dropped Friday amid mounting concerns of a potential shutdown. Click through to read about what could happen next.