says he doesn t know the alleged rudy giuliani associates parnas and furman. much more on that coming up. plus, joe biden takes tots cnn town hall stage in iowa, renews his attack and criticism on elizabeth warren. how is the back and forth between these two candidates playing with voters? we re going to get the view from the ground in iowa. we ll be right back. more from my copd medicine that s why i ve got the power of 1 2 3 medicines with trelegy. the only fda-approved 3-in-1 copd treatment. trelegy. the power of 1-2-3. trelegy 1-2-3 trelegy. with trelegy and the power of 1 2 3, i m breathing better. trelegy works 3 ways to open airways, much more on that coming up. ele a rescue inhaler for sudden breathing problems. trelegy is not for asthma. tell your doctor if you have a heart condition or high blood pressure before taking it.