The Supreme Court was skeptical of Biden administration arguments this morning that striking down a campaign finance rule regulating the repayment of loans by the candidate to his own campaign would open the door to bribery in elections. The case arose after Sen. Ted Cruz (R-Texas) lent his campaign committee money and the committee deliberately failed to categorize the unrepaid part of the loan as a campaign contribution in order to launch a First Amendment-based challenge to the rule. The appeal in Federal Election Commission (FEC) v. Ted Cruz for Senate, court file 21-12, was brought by the FEC after a three-judge panel of the U.S. District Court for the District of Columbia unanimously ruled against the agency last year. The case grows out of the 2018 election cycle that culminated in the Republican U.S. senator from Texas’ narrow victory over Beto O’Rourke, a Democrat, by 2.6 percentage points. O’Rourke …