With a new Florida governor and a reboot of leaders in the state Legislature, fresh ideas abound as the 2019 legislative session readies for take-off Tuesday.Gov. Ron DeSantis is advancing a sweeping plan to address the state’s water quality problems, which fouled both coasts last summer. House Speaker Jose Oliva, R-Miami, wants wholesale changes to how health care is delivered and Senate President Bill Galvano, R-Bradenton, wants seed money for major highway expansion.