Ted Cruz suspended his campaign but earned 562 delegates along the way, according to CBS News estimates, and Kasich also ended his campaign, having won 152 delegates. Louisiana's five Rubio delegates back Trump, call for Rubio as VP. What happens to those delegates now? Are they free to support Donald Trump? The state Republican parties set the rules for what's to be done with pledged delegates, and each state has different rules. For example, many states bind their delegates to their presidential candidates for the first convention ballot unless the candidate "releases" their delegates. Other state parties say delegates are...