Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].

[EX Q]: SACRAMENTO  Calif. (Reuters) -  A California neuroscientist vying to unseat Republican Congressman Dana Rohrabacher  stepped up  his  criticism of the conservative on Tuesday  demanding  he  return a $1 000 contribution from indicted Trump adviser Paul Manafort.
FILE PHOTO:  Republican U.S. Representative Dana Rohrabacher  speaks at a news conference in Moscow  Russia on June 2  2013. REUTERS/Maxim Shemetov/File Photo
The Orange County seat held by  Rohrabacher  is key to Democratsâ hopes to increase their numbers in the U.S. House of Representatives in next yearâs elections. Neuroscientist Hans Keirstead  a stem cell researcher and entrepreneur from Laguna Beach  is one of seven Democrats aiming to beat him  according to the Federal Election Commission.
 Rohrabacher   a senior member of the House Committee on Foreign Affairs  has frequently praised Russian President Vladimir Putin and was considered for a role in U.S. President Donald Trumpâs cabinet.
FILE PHOTO: U.S. Rep. Dana Rohrabacher (R-CA) speaks during a House Foreign Affairs Europe  Eurasia and Emerging Threats Subcommittee hearing about the attack on demonstrators by members of Turkish President Recep Tayyip Erdogan's security detail on Capitol Hill in Washington  DC  U.S. on May 25  2017. REUTERS/Aaron P. Bernstein/File Photo
[EX A]: Return Manafort's money Democrats demand of California Republican

[EX Q]: The lawsuit by Washington Attorney General Bob Ferguson accused Purdue of deceptive marketing of OxyContin and convincing doctors and the public that its drugs had a low-risk of addiction and were effective for treating chronic pain.
"I don't know how executives at Purdue sleep at night " Ferguson told reporters.
In filing his lawsuit in King County Superior Court in Seattle on Thursday   Ferguson  said he was breaking off from an ongoing multi-state probe by various attorneys general into companies that manufacture and distribute opioids.
While  Ferguson  said looked forward to seeing its results  "we felt we had a case ready to go."
[EX A]: Washington State Sues OxyContin Maker Purdue Pharma

[EX Q]: Cruise giant Carnival is taking it slow when it comes to returning to hurricane-ravaged St. Thomas and St. Maarten.
In a letter to customers posted on the Carnival website  Duffy set "the beginning of January" as a time frame for a return to  St. Thomas  and St. Maarten. She also set a hard date of Nov. 30 for the line's resumption of calls at the hurricane-hit port of San Juan  Puerto Rico and said calls at Grand Turk would resume in less than two weeks.
Hurricane Irma caused widespread damage across  St. Thomas  and St. Maarten in early September.  St. Thomas  also was affected by Hurricane Maria  which hit the island later in September and also slammed Puerto Rico and Grand Turk.
More: Cruises to  St. Thomas  to resume in November   FEMA charters Carnival ship to house relief workers in Virgin Islands
U.S. Virgin Islands governor Kenneth Mapp on Friday said  St. Thomas  was preparing for as many as 25 cruise ship calls in November  starting with the arrival of Royal Caribbean's Adventure of the Seas on Nov. 10.
[EX A]:
Carnival Cruise Line sets return to St. Thomas St. Maarten