For the past three weeks, the Justice Department and Google have questioned more than two dozen witnesses to try to sway a federal judge’s decision over how to address the company’s illegal monopoly in internet search. On Friday, that hearing in the US District Court for the District of Columbia is expected to conclude. To fix the monopoly, the government has proposed aggressive measures that include forcing Google to sell its popular Chrome web browser and share proprietary data with competitors. Google has argued that small tweaks to its business…