DES MOINES — A five-member Senate Commerce panel on Monday advanced the “foundation” language — but no funding — for Gov. Kim Reynolds’ priority $450 million broadband expansion across the state by 2025.Logan Shine of the governor’s office was joined by several presenters who called for the state to use its grant initiative in partnership with private vendors to invest in a bold network expansion to bring 100/100 Mbps broadband internet upload and download speeds to homes, farms, schools and businesses.Joe Murphy of the Iowa Business Council said an aggressive effort now “will pay dividends later,” while Dustin Miller of the Iowa Chamber Alliance noted “this big investment is needed all across the state,” and J.D.