Welcome to Trail Guide, your host through the wilds of the 2016 presidential campaign. It's Saturday, March 5, and here's what we're talking about:
- Ted Cruz, building momentum, captures victories in Maine and Kansas GOP caucuses
- Donald Trump says he wants Cruz "one-on-one"
- A trend in the Democratic primary continues: Hillary Clinton wins black support, Bernie Sanders liberal whites
- Marco Rubio fails to find a victory on Super Saturday
- Follow live results as they arrive and stay up to date on the delegate math for the Democratic and Republican presidential nominations