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Hello

I'm sure this is obvious, but I used the example code for hardware serial for the MSP430
My problem is:

The code never runs my while(1)
The code returns "Hello World" when I send u
The code does not toggle the pin when I send c

Tips appreciated  :D 

[code]
#include  "msp430g2553.h"

#define BEEP_PIN BIT0


const char string1[] = { "Hello World\r\n" };
unsigned int charLoop;

void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;                 // Stop WDT
  BCSCTL1 = CALBC1_1MHZ;                    // Set DCO
  DCOCTL = CALDCO_1MHZ;
  P1SEL = BIT1 + BIT2 ;                     // P1.1 = RXD, P1.2=TXD
  P1SEL2 = BIT1 + BIT2 ;                     // P1.1 = RXD, P1.2=TXD
  UCA0CTL1 |= UCSSEL_2;                     // SMCLK
  UCA0BR0 = 104;                            // 1MHz 9600
  UCA0BR1 = 0;                              // 1MHz 9600
  UCA0MCTL = UCBRS0;                        // Modulation UCBRSx = 1
  UCA0CTL1 &= ~UCSWRST;                     // **Initialize USCI state machine**
  IE2 |= UCA0RXIE;                          // Enable USCI_A0 RX interrupt

  //set outputs
  P1DIR |= BEEP_PIN;
  P1OUT = 0x00; //clear port 1


 __bis_SR_register(LPM0_bits + GIE);       // Enter LPM0, interrupts enabled

  while (1) {
      P1OUT ^= BEEP_PIN;              // Toggle LED on P1.0
      __delay_cycles(1000000);     // Wait ~100ms at default DCO of ~1MHz
  }
}

#pragma vector=USCIAB0TX_VECTOR
__interrupt void USCI0TX_ISR(void)
{
  UCA0TXBUF = string1[charLoop++];                 // TX next character

  if (charLoop == sizeof string1 - 1)              // TX over?
    IE2 &= ~UCA0TXIE;                       // Disable USCI_A0 TX interrupt
}

#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void)
{
  if (UCA0RXBUF == 'u')                     // 'u' received?
  {
    charLoop = 0;
    IE2 |= UCA0TXIE;                        // Enable USCI_A0 TX interrupt
    UCA0TXBUF = string1[charLoop++];
  }
  else if (UCA0RXBUF == 'c')
  {
	P1OUT &= BEEP_PIN;
    __delay_cycles(100000);
	P1OUT &= ~BEEP_PIN;
  }
}


[/code]