we're going to start with cnn phil mattingly who is following what is said to be a very busy day in iowa city. phil, it's getting pretty crowded there. >> reporter: no question about it, victor. in the state of iowa, more than 25 events today across all of the candidates from both parties and a recognition this is the final sprint. this is when it happens if you're going to turn out voters, this is the last opportunity to meet them in the state. victor, the big question over the last two weeks is ted cruz versus donald trump but interesting developments over the last 24 hours, if you watch the tv ads here in iowa and talk to sources within the cruz and marco rubio campaigns, ted cruz shifted his focus from donald trump and towards marco rubio. what does this mean? ted cruz obviously clearly trying to halt any type of progress marco rubio is making and concerns a good marco rubio showing here could mean problems for ted cruz later. what does that mean for donald trump? looks like the...