Newly elected Texas Sen. James Talarico crashed this week’s “Saturday Night Live” cold open in order to ask the question on everyone’s mind: How many more of these “Donald-Trump-freezes-the-action-to-ramble” cold opens is “SNL” going to do? Responded “Donald Trump” (James Austin Johnson): “Infinity!” Talarico popped up near the end of the cold open to cheers.