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PROBLEM: HAVANA (Reuters) - With revolutionary leader Fidel Castro dead and his brother Raul vowing to step down as president in 15 months  it will soon be the hour of heir apparent Miguel Diaz-Canel  an advocate for modernizing Cuba's state-run media and abysmal internet access.
 Diaz-Canel  was elevated to the position of first vice-president in 2013  putting  him  next in line for the presidency.
At 56   he  is a relative youngster in the ruling Communist Party's leadership and will need to appeal to younger generations if Cuban communism is to thrive beyond the Castro brothers.
 He  has already established press and internet freedom as signature concerns  a potentially disruptive change in a one-party state that has monopolized the media for nearly 58 years.
Otherwise  however   he  has a much weaker public profile than the Castros and it is not clear what policy changes  he  would push through.
Until now   he  has held to the party line or avoided public comment on key issues such as economic and political reforms or relations with the United States  which were overhauled by Raul Castro and U.S. President Barack Obama over the past two years.
Still  experts say  his  position as heir apparent is solid and that  he  would have to stumble badly for someone else to leapfrog  him  and become the next president in Cuba's arcane system for choosing its leader.
Born after the Castros took power in 1959   Diaz-Canel  is a child of their revolution who rose through the Communist Party by cultivating relationships within the political elite while avoiding the show-boating that ended the careers of other pretenders.
" He  has the advantage of having outlived  his  predecessors (as heir apparent) " Christopher Sabatini  a Cuba expert at Columbia University's School of International and Public Affairs  said on Monday.
 Diaz-Canel  has been careful not to eclipse Raul Castro and is so cautious as to come off as dull and gray   his  public statements largely unmemorable.
" He 's sublimated any ambitions  he  may have had  so the question is what  his  role and power will be among the old guard. Most people try to imagine  him  bridging the new generation and the historic one. That should be challenging " Sabatini said.
That reserved behavior and the government's secretive nature make  Diaz-Canel  largely a mystery to all but Cuba's political elite.
U.S. officials say they know little about  him   and most Cubans outside  his  hometown of Santa Clara know even less.
If  he  does take over in 2018   Diaz-Canel  will be following 59 years of rule by the Castro brothers  one who was gifted with abundant charisma and the other who commanded the absolute respect of top military and political figures.
" He  will be the first civilian president of the revolution and that will require the confidence of the military " said Arturo Lopez Levy  a former political analyst for the Cuban government whose mother taught Diaz-Canel at university.
 Diaz-Canel  chose to pedal.  He  would navigate the provincial capital Santa Clara  vying for space on narrow streets clogged with horse-drawn carts  motorcycle taxis and pedestrians.

SOLUTION: Next in line for Cuba's presidency wants to modernize the country

PROBLEM: Blackburn's entry followed a decision earlier in the day by  term-limited Gov. Bill Haslam  to sit out the race  despite entreaties from Corker  Senate Majority Leader Mitch McConnell of Kentucky and Tennessee's senior senator  Lamar Alexander.
"While I have loved being a mayor and a governor  I don't feel the same call to run for Senate at this point " said  Haslam .  He  said the hyper-partisanship that surrounds Congress was a factor in  his  decision.
 Haslam 's popularity in the state and  his  vast personal wealth would have made  him  a strong candidate  despite lingering anger among some Republicans over  his  call to Donald Trump to abandon  his  presidential nomination last year following the release of a videotape in which Trump boasted about groping women.
Corker  who announced last week that  he  wouldn't seek a third term  also publicly criticized the Republican president  for  his  response to a deadly white nationalist rally in Virginia. Corker questioned whether Trump had the "competence" or "stability" to succeed in office.
"I believe in President Trump's immigration ban  and I'll fight with  him  every step of the way to build that wall " she said. "I stand when the president walks in room  and yes  I stand when I hear the Star Spangled Banner."
Former U.S. Rep. Stephen Fincher is another potential Republican Senate candidate  and is expected to make a decision in the coming days.  Haslam  hasn't said whether  he 'll endorse a Republican in the race.

SOLUTION: Blackburn joins Tennessee Senate race after Haslam begs off

PROBLEM: Nearly 10 months Â­after a federal probe into Mayor  de Blasioâs  fund-raising practices was closed  the city on Friday disclosed that his legal bills will cost taxpayers $2.6 million.
Thatâs what  Hizzonerâs  personal law firm  Kramer Levin Naftalis and Frankel LLP  is charging to defend the mayor during a yearlong probe by the Manhattan US Attorneyâs Office into whether his campaign donors got special treatment from City Hall.
The probe concluded in March 2017 with no charges filed  even as prosecutors noted that  de Blasio  had âmade or directed inquiries to relevant city agencies on behalf of those donors.â
âI want to affirm I did try to go a different route  â de Blasio  said on WNYC radio in July. âAnd I thought a lot about it and I came to the conclusion it just didnât make sense  that the consistent and appropriate thing is any employee who has not done anything wrong and obviously not as you said â clear  not indicted  etc. â deserves legal representation from the city of New York.â
 De Blasio  still plans to use a legal defense fund to pay for the expenses stemming from that probe  city officials said.

SOLUTION:
De Blasio âs legal fees are going to cost taxpayers millions