Sisolak lost to former Clark County Sheriff Joe Lombardo in last November's election.
Texas has not elected a Democratic governor since Ann Richards in 1990.
Democrat Beto O'Rourke has announced he's dropping his 2020 presidential bid.
President Donald Trump has wrapped up his visits to cities reeling from mass shootings that left 31 dead and dozens more wounded. He was greeted by protesters in both cities.
Democratic Presidential candidate Beto O'Rourke is scheduled to appear in Reno and Minden this weekend.
Democratic presidential hopeful Beto O'Rourke held campaign rallies in Reno and Carson City on Thursday.
Democrat Beto O'Rourke will bring his marathon tour of early voting and swing states to Nevada this week where he'll meet with voters Saturday and Sunday.
Former congressman Beto O'Rourke is running for president. The 46-year-old officially announced his 2020 Democratic primary bid Thursday with an online post.
Beto O'Rourke publicly lambasted President Trump's border wall decision from no more than a football field away at his Texas rally.