Crossword Puzzle 'I'll do it -- condition...'

Clue: 'I'll do it -- condition...'

It equals 0.3937 inch (CENTIMETER with 10 letters)
Do a scathing impersonation of the 39th president? (MINCECARTER with 11 letters)
Sale item condition (ASIS with 4 letters)
Itchy condition (e.g. ECZEMA with 6 letters)
Itchy skin condition (ECZEMA with 6 letters)
Super Bowl to be played in the year 3968, at the current rate (MMII with 4 letters)
39th VP (AGNEW with 5 letters)
39th vice president (AGNEW with 5 letters)
39th Veep (AGNEW with 5 letters)
39th V.P. (AGNEW with 5 letters)