Incognito **** Paramour ***
By: David Sheward Athleticism of the body and brain are on display in a pair of new productions on and Off-Broadway. Cirque du Soleil, the ubiquitous international circus troupe, makes its first attempt at a plot-driven musical with traditional songs and book, with Paramour while Manhattan Theater Club presents Incognito, Nick Payne's multilayered exploration of neurological phenomena. Charlie Cox, Heather Lind …