Analysis: Why Trump’s hold on the GOP Congress may threaten its hold on power

Back-to-back retirement announcements last week from a Republican representative and senator represented a victory for President Donald Trump that could yet become a revealing liability for him and his party.

​ Back-to-back retirement announcements last week from a Republican representative and senator represented a victory for President Donald Trump that could yet become a revealing liability for him and his party. Read More Breaking News, Latest News and Videos | CNN