The progressive senator, kicking off a new swing of his “Fighting Oligarchy” tour, spoke to CNN “State of the Union” anchor Dana Bash in Wheeling, West Virginia.

Fleeing lawmakers in Texas are unlikely to stop Republicans from redrawing the state’s congressional maps, but their effort has offered a rallying cry—and a reminder of the Democratic Party’s weaknesses.

Progressive Sen. Bernie Sanders argued the Republican redistricting push in Texas is “pathetic,” and he urged Democrats to “fight back.”