Donald Trump won Louisiana by 3.5% , but is losing the delegate battle. Simply; more Cruz people made it to the County/State conventions than Trump. All the primaries will do is allow, if delegates are awarded proportionately, is give the percentage winner the OPPORTUNITY to get more of his voters to become delegates than the other guy. This is done by hard work in advance to make sure you max out with the delegates who will vote FOR YOU. In most conventions there are open seats left available. In this case more Cruz voters made it to Convention to vote...