Well, Louisiana is full of serious Christians. SO naturally they gravitate to high moral Teb! instead of evil Donald. lol
So why did The Don win the popular vote?
Louisiana is one of the most conservative states. It should surprise nobody that it went for Cruz. Cruz is taking the most conservative states (TX, OK, ID, WY, AK, UT), with the “yuge” exception of the Old South. Trump’s highest vote percentages have all been in Liberal states (MA at 49.3 is his best), and he has yet to top 50% anywhere. He also has failed to get 50% of the total delegates, even now that it is down to 3 names running (although this can change... maybe). As many have been saying since NOV, Trump certainly seems to have a ceiling of about 49%... and he continues to poll behind Hillary (since he will not take ANY Liberal states away from her head-to-head).