File - In this Friday, March 15, 2013 file photo, a Bahraini anti-government protester throws a piece of wood at an armored police vehicle during clashes in Jidhafs, Bahrain. A decade ago, against all odds, a popular uprising convulsed the monarchy of Bahrain as a wave of revolutionary protests swept across the Middle East. But after a brutal crackdown and years of escalating repression, activists say the small kingdom is less free now than even before the Arab Spring, as authorities crush hopes for political reform. (AP Photo/Hasan Jamali, File)

File - In this Monday, May 20, 2013 file photo, crowds rush to greet Bahraini Shiite opposition political leader Abdul Wahab Hussein, inside vehicle, as he arrives from prison to his home in Nuwaidrat, Bahrain. A decade ago, against all odds, a popular uprising convulsed the monarchy of Bahrain as a wave of revolutionary protests swept across the Middle East. But after a brutal crackdown and years of escalating repression, activists say the small kingdom is less free now than even before the Arab Spring, as authorities crush hopes for political reform. (AP Photo/Hasan Jamali, File)

File - In this Friday, April 18, 2014 file photo, thousands of Bahraini anti-government protesters, waving national flags, signs and pictures of jailed political figures and people killed in unrest, chant slogans during a march organized by opposition groups in A'ali, Bahrain. A decade ago, against all odds, a popular uprising convulsed the monarchy of Bahrain as a wave of revolutionary protests swept across the Middle East. But after a brutal crackdown and years of escalating repression, activists say the small kingdom is less free now than even before the Arab Spring, as authorities crush hopes for political reform. (AP Photo/Hasan Jamali, File)

File - Int his Friday, Jan. 2, 2015 file photo, Bahraini anti-government protesters, one holding a national flag, clash with riot police firing tear gas in Bilad Al Qadeem, a suburb of Manama, Bahrain. A decade ago, against all odds, a popular uprising convulsed the monarchy of Bahrain as a wave of revolutionary protests swept across the Middle East. But after a brutal crackdown and years of escalating repression, activists say the small kingdom is less free now than even before the Arab Spring, as authorities crush hopes for political reform. (AP Photo/Hasan Jamali, File)

File - In this Friday, Nov. 22, 2013 file photo, Bahraini anti-government protesters wave national flags during a march in Manama, Bahrain. A decade ago, against all odds, a popular uprising convulsed the monarchy of Bahrain as a wave of revolutionary protests swept across the Middle East. But after a brutal crackdown and years of escalating repression, activists say the small kingdom is less free now than even before the Arab Spring, as authorities crush hopes for political reform. (AP Photo/Hasan Jamali, File)