Further update:
1. fancy Russian included -- cyrus (hidden clue) - solved by cyrus
2. disenfranchize, without Che inside -- Franz (remove all the letters in 'Che inside' from 'disenfranchize') - solved by cyrus
3. see no jogger stumbling -- George Jones - solved by wolram & George (anagram of 'see no jogger')
4. handheld firework, somewhat spoonerized - larkspur (spoonerize 'sparkler') - solved by mattmns
5. the French back -- EL, Al, etc ('the' in French is le/la; backwards) - solved by siddharth & neutrino
6. In short, are you Schutzstaffel? -- Russ (are = R, you = U, Schutzstaffel = SS) - solved by arildno
7. be a moron, silly! -- moonbear (anagram of 'be a moron') - solved by George
8. She performed a Vicker's test on the subject and proclaimed __________ ! -- Math Is Hard (Math is a subject and the Vickers Test measures hardness) - solved by George
9. mount Saint Man, clumsily -- mattmns (mount saint man = mt+st+man, and jumble it) - solved by neutrino
10. crazy as shelter -- unsolved
11. Only a resumé? O, that's strange! -- loseyourname (anagram of 'only a resume o') - solved by George
12. It flows through an Ouroboros -- cyclovenom - (Ouroboros is a snake swallowing its own tail) - solved by arunbg13. Shere Khan, with room -- SpaceTiger (Shere Khan = tiger (from, for instance, Kipling's Jungle Book, with room or space) - solved by neutrino
14. one turin collision -- neutrino (anagram) - solved by siddharth & neutrino
15. if real, then symmetric -- SelfAdjoint (think matrices) - solved by Sir George
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Looks like #10 is the only one remaining.