 Louisiana Radio Network, I'm Sean Richardson. Republican mega-donor Lane Grisby sent a letter to lawmakers trying to persuade them to hold a constitutional convention this year. LAPolitics.com publisher Jeremy Alford says the letter cites changes in public school funding and... "...the homestead exemption that we all have on our property taxes on our homes and a number of other sales tax changes and a host of a few other things as well. Still focusing big changes on the financial section of the Constitution."