Texas' senior U.S. senator, John Cornyn, is hoping to convince his Republican colleagues to name him the next Senate majority leader. Why it matters: Come January, the new Senate majority leader will grease the legislative skids for President-elect Donald Trump's agenda.

Now the party is in the market for a new majority leader, since Sen. Mitch McConnell announced earlier this year he would vacate the position even while he serves out his term in the Senate. As names are being floated to fill that role, one is from the Lone Star State: John Cornyn.

Mitch McConnell's decision to step down as the Republican Senate leader has triggered an internal campaign to nab his coveted position. Senate Republicans will now choose between three candidates to elect a new leader,