A more conservative Congress will “make it very difficult for Romney,” American University congressional historian Allan Lichtman told CBSNews.com. Licthman argued that a conservative Congress intent on maintaining their all-or-nothing approach can be a challenge for a president. Governing is more “very difficult,” Lichtman said, and the president’s relationship with Congress either “creates a lot of havoc in the party or goes along” with the party. In other words, Romney would have to choose if he will lead or be led…

Despite a Republican majority for his first two years, President Dwight Eisenhower is an example of a president that regularly battled with his party. He was forced to reach across the aisle to pass his agenda, which included a decrease in the military budget, Social Security expansion and infrastructure programs…

If Romney governs from the center, he could run roadblocks a la Eisenhower or like President Obama, who had trouble getting exactly what he wanted from Congress, even with the Democrats running both chambers.