MSNBC was the most-watched network for coverage of the off-year elections on Tuesday, with CNN prevailing in the 25-54 demo. MSNBC drew 3.04 million total viewers, followed by Fox News with 2.85 million and CNN with 1.78 million. In the 25-54 demo, CNN averaged 574,000, followed by MSNBC with 490,000 and Fox News with 448,000. […]