Every time it looks as though she has nothing left to give , she finds a way to force her name back on the marquee .
If there 's one quality that can be attributed to Jankovic , though , it is tenacity .
Every time it looks as though Jankovic has nothing left to give , Jankovic finds a way to force Jankovic 's name back on the marquee .
If there 's one quality that can be attributed to Jankovic , though , it is tenacity .