The junior senator from Kentucky has been tweeting up a storm in Apple's defense.
FORTUNE -- In subcommittee hearings Tuesday, Senators Carl Levin and John McCain were careful to balance praise for Apple's (AAPL) achievements with outrage over its "convoluted and pernicious" (McCain's words) tax avoidance strategies.
Sen. Rand Paul showed no such balance. He lit into his own committee's leadership for...