Early voting begins Monday in Democratic and Republican primary runoff elections that may shape the future direction of Texas, particularly the state Senate.All voters are eligible, even those who skipped the March primary. Election Day is May 27.If you voted in a March primary, you may only vote in that runoff.In Tarrant County, more than 85 percent of voters did not cast a primary ballot. Those voters are free agents who may choose either runoff.In the Republican runoff, voters will choose nominees for lieutenant governor, which is the presiding officer over the Texas Senate, and also for an open Tarrant County Senate seat. Republicans will also nominate candidates for attorney general and for several down-ballot offices, including judges in Tarrant County courts.In the Democratic Party, voters will chose nominees for U.S. Senate and agriculture commissioner.Many Democrats in Tarrant County also will choose a Democratic candidate for an open seat on the State Board of Education. There is a Libertarian opponent in that race this fall but no Republican.Early voting begins Monday and continues through Friday at 40 locations countywide.Special voting sites for college and seminary students will be offered Tuesday through Thursday and are open to all voters.For a sample ballot and a complete list of early voting locations and times, see tarrantcounty.com.The Star-Telegram Editorial Board interviewed candidates in some but not all races and offered recommendations.Here is a list of the Editorial Board recommendations: DEMOCRATICU.S. Senator: David Alameel.State Board of Education, District 13: Erika Beltrán. REPUBLICANLieutenant Governor: David Dewhurst.Attorney General: Dan Branch.State Board of Education, District 11: Patricia “Pat” Hardy.State Senator, District 10: Mark M. Shelton.