1. What is the main focus of the ProPublica investigation mentioned in the article? - The investigation focuses on undisclosed expenses received by Supreme Court Justice Clarence Thomas from a wealthy Republican donor.

2. What is one example of an undisclosed expense mentioned in the article? - One example is the tuition payments made by the GOP donor to cover Thomas’ grandnephew’s private boarding school costs.

3. How did the Supreme Court defend itself against the allegations of lack of disclosure? - The court argued that its members voluntarily follow the code of conduct used to supervise lower courts.

4. What did ProPublica report about Justice Clarence Thomas’ vacations? - ProPublica reported that Thomas failed to disclose more than 20 years of luxury vacations and trips paid for him and his wife by his close friend, Harlan Crow.

5. How much is the estimated cost of the trip to Indonesia taken by Thomas and his wife on Crow’s private jet? - The trip is estimated to have cost over $500,000.

6. What real estate deal involving Thomas and Crow did ProPublica uncover? - ProPublica found that Crow bought a single-story home in Savannah, Ga., belonging to Thomas and his family.

7. What is the justification given for Thomas not disclosing the payments made by Crow for his grandnephew’s tuition? - Thomas’ friend and lawyer stated that the boy was not a “dependent child” as defined in the disclosure law.

8. What financial activity did Justice Neil Gorsuch fail to disclose? - Gorsuch sold a 40-acre property he co-owned in Granby, Colo., but did not disclose the buyer’s identity.

9. How much money did Justice Roberts’ wife make as a legal recruiter for top law firms? - She made more than $10 million in commissions from top law firms who practice before the Supreme Court.

10. What did Senate Democrats argue during the hearing on court ethics? - Senate Democrats argued that a code of conduct is needed to better outline what behaviors are unacceptable for the court.

Answer Key: 1. The investigation focuses on undisclosed expenses received by Supreme Court Justice Clarence Thomas from a wealthy Republican donor. 2. One example is the tuition payments made by the GOP donor to cover Thomas’ grandnephew’s private boarding school costs. 3. The court argued that its members voluntarily follow the code of conduct used to supervise lower courts. 4. ProPublica reported that Thomas failed to disclose more than 20 years of luxury vacations and trips paid for him and his wife by his close friend, Harlan Crow. 5. The trip is estimated to have cost over $500,000. 6. ProPublica found that Crow bought a single-story home in Savannah, Ga., belonging to Thomas and his family. 7. Thomas’ friend and lawyer stated that the boy was not a “dependent child” as defined in the disclosure law. 8. Gorsuch sold a 40-acre property he co-owned in Granby, Colo., but did not disclose the buyer’s identity. 9. She made more than $10 million in commissions from top law firms who practice before the Supreme Court. 10. Senate Democrats argued that a code of conduct is needed to better outline what behaviors are unacceptable for the court.