1: Freshen the atmosphere (3)
2: Jewish leader second in the shower (5)
3: Dancer's unfinished song about Ireland (9)
4: Child is to depart, finally (3)
5: Helga excels coming back with a two under par (5)
8: To almost choose a subject (5)
9: Lazy person paid Leroy a little (5)
11: Begins seeing another divorcee? Deplorable. (3)
13: Root for mounting might (3)